java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:41:20,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:41:20,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:41:20,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:41:20,594 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:41:20,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:41:20,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:41:20,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:41:20,599 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:41:20,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:41:20,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:41:20,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:41:20,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:41:20,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:41:20,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:41:20,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:41:20,606 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:41:20,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:41:20,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:41:20,609 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:41:20,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 03:41:20,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 03:41:20,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 03:41:20,612 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 03:41:20,613 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 03:41:20,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 03:41:20,614 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 03:41:20,615 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 03:41:20,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 03:41:20,615 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:41:20,615 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:41:20,616 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 03:41:20,625 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:41:20,625 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:41:20,626 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:41:20,626 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:41:20,626 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:41:20,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:41:20,627 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:41:20,628 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:41:20,628 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:41:20,628 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:41:20,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:41:20,662 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:41:20,665 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:41:20,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:41:20,666 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:41:20,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:41:20,803 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:41:20,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:41:20,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:41:20,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:41:20,810 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:41:20,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fbafac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20, skipping insertion in model container [2018-02-04 03:41:20,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,829 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:41:20,861 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:41:20,954 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:41:20,968 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:41:20,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20 WrapperNode [2018-02-04 03:41:20,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:41:20,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:41:20,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:41:20,974 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:41:20,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:20,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:21,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:21,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... [2018-02-04 03:41:21,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:41:21,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:41:21,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:41:21,003 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:41:21,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:41:21,039 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:41:21,039 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:41:21,039 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:41:21,039 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:41:21,039 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:41:21,039 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:41:21,039 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:41:21,040 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:41:21,041 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:41:21,400 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:41:21,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:41:21 BoogieIcfgContainer [2018-02-04 03:41:21,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:41:21,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:41:21,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:41:21,403 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:41:21,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:41:20" (1/3) ... [2018-02-04 03:41:21,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f51ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:41:21, skipping insertion in model container [2018-02-04 03:41:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:41:20" (2/3) ... [2018-02-04 03:41:21,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f51ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:41:21, skipping insertion in model container [2018-02-04 03:41:21,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:41:21" (3/3) ... [2018-02-04 03:41:21,406 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:41:21,413 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:41:21,420 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 55 error locations. [2018-02-04 03:41:21,450 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:41:21,450 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:41:21,450 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:41:21,450 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:41:21,450 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:41:21,450 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:41:21,451 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:41:21,451 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:41:21,451 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:41:21,462 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2018-02-04 03:41:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:41:21,469 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:21,470 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:21,470 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:21,473 INFO L82 PathProgramCache]: Analyzing trace with hash 460791465, now seen corresponding path program 1 times [2018-02-04 03:41:21,511 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:21,545 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:21,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,600 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:21,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:41:21,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,602 INFO L182 omatonBuilderFactory]: Interpolants [134#true, 135#false, 136#(= 1 (select |#valid| |main_#t~malloc0.base|)), 137#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:41:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,603 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:41:21,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:41:21,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:41:21,618 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 4 states. [2018-02-04 03:41:21,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:21,845 INFO L93 Difference]: Finished difference Result 152 states and 155 transitions. [2018-02-04 03:41:21,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:41:21,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:41:21,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:21,855 INFO L225 Difference]: With dead ends: 152 [2018-02-04 03:41:21,855 INFO L226 Difference]: Without dead ends: 149 [2018-02-04 03:41:21,857 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-02-04 03:41:21,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 125. [2018-02-04 03:41:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-02-04 03:41:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 127 transitions. [2018-02-04 03:41:21,892 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 127 transitions. Word has length 8 [2018-02-04 03:41:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:21,892 INFO L432 AbstractCegarLoop]: Abstraction has 125 states and 127 transitions. [2018-02-04 03:41:21,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:41:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 127 transitions. [2018-02-04 03:41:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:41:21,893 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:21,893 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:21,893 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:21,893 INFO L82 PathProgramCache]: Analyzing trace with hash 460791466, now seen corresponding path program 1 times [2018-02-04 03:41:21,894 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:21,905 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,944 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:21,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:41:21,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,944 INFO L182 omatonBuilderFactory]: Interpolants [417#true, 418#false, 419#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 420#(and (= (select |#length| main_~head~0.base) 12) (= main_~head~0.offset 0))] [2018-02-04 03:41:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:21,945 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:41:21,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:41:21,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:41:21,946 INFO L87 Difference]: Start difference. First operand 125 states and 127 transitions. Second operand 4 states. [2018-02-04 03:41:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:22,021 INFO L93 Difference]: Finished difference Result 146 states and 148 transitions. [2018-02-04 03:41:22,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:41:22,022 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:41:22,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:22,022 INFO L225 Difference]: With dead ends: 146 [2018-02-04 03:41:22,023 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 03:41:22,023 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 03:41:22,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 122. [2018-02-04 03:41:22,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-02-04 03:41:22,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2018-02-04 03:41:22,029 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 8 [2018-02-04 03:41:22,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:22,030 INFO L432 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2018-02-04 03:41:22,030 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:41:22,030 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2018-02-04 03:41:22,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:41:22,030 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:22,030 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:22,031 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:22,031 INFO L82 PathProgramCache]: Analyzing trace with hash 108566574, now seen corresponding path program 1 times [2018-02-04 03:41:22,031 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:22,046 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,124 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:22,124 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:41:22,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,125 INFO L182 omatonBuilderFactory]: Interpolants [691#true, 692#false, 693#(and (= 0 |main_#t~malloc0.offset|) (= 12 (select |#length| |main_#t~malloc0.base|))), 694#(and (= 0 main_~head~0.offset) (= 12 (select |#length| main_~head~0.base))), 695#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:41:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,125 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:41:22,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:41:22,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,126 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand 5 states. [2018-02-04 03:41:22,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:22,355 INFO L93 Difference]: Finished difference Result 223 states and 227 transitions. [2018-02-04 03:41:22,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:41:22,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-04 03:41:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:22,357 INFO L225 Difference]: With dead ends: 223 [2018-02-04 03:41:22,357 INFO L226 Difference]: Without dead ends: 223 [2018-02-04 03:41:22,358 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:41:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-02-04 03:41:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 165. [2018-02-04 03:41:22,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-04 03:41:22,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 194 transitions. [2018-02-04 03:41:22,367 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 194 transitions. Word has length 15 [2018-02-04 03:41:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:22,367 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 194 transitions. [2018-02-04 03:41:22,367 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:41:22,367 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 194 transitions. [2018-02-04 03:41:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 03:41:22,368 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:22,368 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:22,368 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:22,368 INFO L82 PathProgramCache]: Analyzing trace with hash 108566573, now seen corresponding path program 1 times [2018-02-04 03:41:22,369 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:22,380 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,403 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:22,403 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:41:22,403 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:22,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,404 INFO L182 omatonBuilderFactory]: Interpolants [1088#true, 1089#false, 1090#(= 1 (select |#valid| main_~head~0.base)), 1091#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,404 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:41:22,404 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:41:22,404 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:41:22,404 INFO L87 Difference]: Start difference. First operand 165 states and 194 transitions. Second operand 4 states. [2018-02-04 03:41:22,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:22,495 INFO L93 Difference]: Finished difference Result 152 states and 162 transitions. [2018-02-04 03:41:22,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:41:22,495 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-02-04 03:41:22,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:22,496 INFO L225 Difference]: With dead ends: 152 [2018-02-04 03:41:22,496 INFO L226 Difference]: Without dead ends: 152 [2018-02-04 03:41:22,497 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-02-04 03:41:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2018-02-04 03:41:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-02-04 03:41:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 162 transitions. [2018-02-04 03:41:22,503 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 162 transitions. Word has length 15 [2018-02-04 03:41:22,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:22,503 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 162 transitions. [2018-02-04 03:41:22,504 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:41:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 162 transitions. [2018-02-04 03:41:22,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:41:22,504 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:22,504 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:22,504 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:22,505 INFO L82 PathProgramCache]: Analyzing trace with hash 197081690, now seen corresponding path program 1 times [2018-02-04 03:41:22,506 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:22,520 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:22,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,574 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:22,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:41:22,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,575 INFO L182 omatonBuilderFactory]: Interpolants [1396#true, 1397#false, 1398#(and (= 0 |main_#t~malloc5.offset|) (= 12 (select |#length| |main_#t~malloc5.base|))), 1399#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 1400#(and (= (select |#length| |main_#t~mem7.base|) 12) (= |main_#t~mem7.offset| 0))] [2018-02-04 03:41:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:41:22,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:41:22,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,576 INFO L87 Difference]: Start difference. First operand 150 states and 162 transitions. Second operand 5 states. [2018-02-04 03:41:22,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:22,751 INFO L93 Difference]: Finished difference Result 240 states and 255 transitions. [2018-02-04 03:41:22,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:41:22,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:41:22,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:22,752 INFO L225 Difference]: With dead ends: 240 [2018-02-04 03:41:22,752 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 03:41:22,753 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:41:22,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 03:41:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 149. [2018-02-04 03:41:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-04 03:41:22,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 160 transitions. [2018-02-04 03:41:22,758 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 160 transitions. Word has length 18 [2018-02-04 03:41:22,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:22,759 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 160 transitions. [2018-02-04 03:41:22,759 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:41:22,759 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 160 transitions. [2018-02-04 03:41:22,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 03:41:22,759 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:22,759 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:22,759 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 197081689, now seen corresponding path program 1 times [2018-02-04 03:41:22,760 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:22,769 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,795 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:22,795 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:41:22,795 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,796 INFO L182 omatonBuilderFactory]: Interpolants [1796#true, 1797#false, 1798#(= 1 (select |#valid| |main_#t~malloc5.base|)), 1799#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 1800#(= 1 (select |#valid| |main_#t~mem7.base|))] [2018-02-04 03:41:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,796 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:41:22,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:41:22,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,797 INFO L87 Difference]: Start difference. First operand 149 states and 160 transitions. Second operand 5 states. [2018-02-04 03:41:22,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:22,927 INFO L93 Difference]: Finished difference Result 212 states and 223 transitions. [2018-02-04 03:41:22,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:41:22,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 03:41:22,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:22,928 INFO L225 Difference]: With dead ends: 212 [2018-02-04 03:41:22,928 INFO L226 Difference]: Without dead ends: 212 [2018-02-04 03:41:22,928 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:41:22,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-02-04 03:41:22,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 148. [2018-02-04 03:41:22,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 03:41:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2018-02-04 03:41:22,933 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 18 [2018-02-04 03:41:22,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:22,933 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2018-02-04 03:41:22,933 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:41:22,933 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2018-02-04 03:41:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 03:41:22,934 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:22,934 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:22,934 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:22,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1794584241, now seen corresponding path program 1 times [2018-02-04 03:41:22,935 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:22,945 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,973 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:22,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:41:22,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,974 INFO L182 omatonBuilderFactory]: Interpolants [2165#true, 2166#false, 2167#(= 1 (select |#valid| |main_#t~malloc12.base|)), 2168#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2169#(= 1 (select |#valid| |main_#t~mem14.base|))] [2018-02-04 03:41:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:22,974 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:41:22,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:41:22,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:22,974 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand 5 states. [2018-02-04 03:41:23,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:23,047 INFO L93 Difference]: Finished difference Result 149 states and 156 transitions. [2018-02-04 03:41:23,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:41:23,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-02-04 03:41:23,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:23,047 INFO L225 Difference]: With dead ends: 149 [2018-02-04 03:41:23,047 INFO L226 Difference]: Without dead ends: 149 [2018-02-04 03:41:23,048 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:41:23,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-02-04 03:41:23,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 147. [2018-02-04 03:41:23,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-02-04 03:41:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2018-02-04 03:41:23,051 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 19 [2018-02-04 03:41:23,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:23,051 INFO L432 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2018-02-04 03:41:23,052 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:41:23,052 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2018-02-04 03:41:23,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-04 03:41:23,052 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:23,052 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:23,052 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:23,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1794584242, now seen corresponding path program 1 times [2018-02-04 03:41:23,053 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:23,062 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:23,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,103 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:23,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:41:23,103 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,103 INFO L182 omatonBuilderFactory]: Interpolants [2470#true, 2471#false, 2472#(and (= 0 |main_#t~malloc12.offset|) (= 12 (select |#length| |main_#t~malloc12.base|))), 2473#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 2474#(and (= |main_#t~mem14.offset| 0) (= (select |#length| |main_#t~mem14.base|) 12))] [2018-02-04 03:41:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,104 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:41:23,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:41:23,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:41:23,104 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand 5 states. [2018-02-04 03:41:23,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:23,195 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2018-02-04 03:41:23,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:41:23,196 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-02-04 03:41:23,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:23,196 INFO L225 Difference]: With dead ends: 146 [2018-02-04 03:41:23,196 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 03:41:23,196 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:41:23,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 03:41:23,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-02-04 03:41:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 03:41:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2018-02-04 03:41:23,200 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 19 [2018-02-04 03:41:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:23,200 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2018-02-04 03:41:23,200 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:41:23,200 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2018-02-04 03:41:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:41:23,201 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:23,201 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:23,201 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:23,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1293732257, now seen corresponding path program 1 times [2018-02-04 03:41:23,202 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:23,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,311 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:23,311 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:41:23,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,312 INFO L182 omatonBuilderFactory]: Interpolants [2773#true, 2774#false, 2775#(= (select |#valid| main_~head~0.base) 1), 2776#(= (select |#valid| main_~x~0.base) 1), 2777#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|))), 2778#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 2779#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 2780#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2781#(= 1 (select |#valid| |main_#t~mem16.base|))] [2018-02-04 03:41:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,312 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:41:23,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:41:23,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:41:23,313 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand 9 states. [2018-02-04 03:41:23,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:23,535 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2018-02-04 03:41:23,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:41:23,535 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-04 03:41:23,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:23,536 INFO L225 Difference]: With dead ends: 147 [2018-02-04 03:41:23,536 INFO L226 Difference]: Without dead ends: 147 [2018-02-04 03:41:23,536 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:41:23,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-02-04 03:41:23,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2018-02-04 03:41:23,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 03:41:23,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-02-04 03:41:23,538 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 22 [2018-02-04 03:41:23,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:23,538 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-02-04 03:41:23,538 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:41:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-02-04 03:41:23,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:41:23,539 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:23,539 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:23,539 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:23,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1293732256, now seen corresponding path program 1 times [2018-02-04 03:41:23,540 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:23,548 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,621 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:23,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:41:23,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,622 INFO L182 omatonBuilderFactory]: Interpolants [3088#(= (select |#valid| main_~head~0.base) 1), 3089#(= (select |#valid| main_~x~0.base) 1), 3090#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= 12 (select |#length| |main_#t~malloc12.base|))), 3091#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3092#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3093#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3094#(and (= |main_#t~mem16.offset| 0) (= (select |#length| |main_#t~mem16.base|) 12)), 3086#true, 3087#false] [2018-02-04 03:41:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:23,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:41:23,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:41:23,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:41:23,623 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 9 states. [2018-02-04 03:41:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:23,907 INFO L93 Difference]: Finished difference Result 146 states and 152 transitions. [2018-02-04 03:41:23,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:41:23,908 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-04 03:41:23,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:23,915 INFO L225 Difference]: With dead ends: 146 [2018-02-04 03:41:23,915 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 03:41:23,916 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:41:23,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 03:41:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 144. [2018-02-04 03:41:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-02-04 03:41:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 152 transitions. [2018-02-04 03:41:23,918 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 152 transitions. Word has length 22 [2018-02-04 03:41:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:23,918 INFO L432 AbstractCegarLoop]: Abstraction has 144 states and 152 transitions. [2018-02-04 03:41:23,918 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:41:23,918 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2018-02-04 03:41:23,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:41:23,919 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:23,919 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:23,919 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:23,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1249497819, now seen corresponding path program 1 times [2018-02-04 03:41:23,920 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:23,930 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,018 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:24,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:41:24,018 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,019 INFO L182 omatonBuilderFactory]: Interpolants [3397#true, 3398#false, 3399#(= (select |#valid| main_~head~0.base) 1), 3400#(= (select |#valid| main_~x~0.base) 1), 3401#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 3402#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3403#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 3404#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3405#(= 1 (select |#valid| |main_#t~mem9.base|))] [2018-02-04 03:41:24,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,019 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:41:24,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:41:24,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:41:24,020 INFO L87 Difference]: Start difference. First operand 144 states and 152 transitions. Second operand 9 states. [2018-02-04 03:41:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:24,312 INFO L93 Difference]: Finished difference Result 145 states and 151 transitions. [2018-02-04 03:41:24,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:41:24,313 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-02-04 03:41:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:24,314 INFO L225 Difference]: With dead ends: 145 [2018-02-04 03:41:24,314 INFO L226 Difference]: Without dead ends: 145 [2018-02-04 03:41:24,314 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:41:24,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-02-04 03:41:24,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 143. [2018-02-04 03:41:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 03:41:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 151 transitions. [2018-02-04 03:41:24,317 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 151 transitions. Word has length 22 [2018-02-04 03:41:24,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:24,317 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 151 transitions. [2018-02-04 03:41:24,317 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:41:24,317 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2018-02-04 03:41:24,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:41:24,318 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:24,318 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:24,318 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:24,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1249497820, now seen corresponding path program 1 times [2018-02-04 03:41:24,323 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:24,332 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:24,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,453 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:24,453 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:41:24,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,453 INFO L182 omatonBuilderFactory]: Interpolants [3712#(and (= 0 |main_#t~mem9.offset|) (= 12 (select |#length| |main_#t~mem9.base|))), 3713#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 3704#true, 3705#false, 3706#(= (select |#valid| main_~head~0.base) 1), 3707#(= (select |#valid| main_~x~0.base) 1), 3708#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| |main_#t~malloc5.base|))), 3709#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3710#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3711#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:41:24,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:24,453 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:41:24,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:41:24,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:41:24,454 INFO L87 Difference]: Start difference. First operand 143 states and 151 transitions. Second operand 10 states. [2018-02-04 03:41:24,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:24,926 INFO L93 Difference]: Finished difference Result 140 states and 146 transitions. [2018-02-04 03:41:24,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:41:24,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-02-04 03:41:24,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:24,927 INFO L225 Difference]: With dead ends: 140 [2018-02-04 03:41:24,927 INFO L226 Difference]: Without dead ends: 140 [2018-02-04 03:41:24,927 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:41:24,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-02-04 03:41:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 119. [2018-02-04 03:41:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-02-04 03:41:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 126 transitions. [2018-02-04 03:41:24,930 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 126 transitions. Word has length 22 [2018-02-04 03:41:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:24,930 INFO L432 AbstractCegarLoop]: Abstraction has 119 states and 126 transitions. [2018-02-04 03:41:24,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:41:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 126 transitions. [2018-02-04 03:41:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:41:24,931 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:24,932 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:24,932 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:24,932 INFO L82 PathProgramCache]: Analyzing trace with hash -1046747597, now seen corresponding path program 1 times [2018-02-04 03:41:24,932 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:24,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:25,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:25,233 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:25,233 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:41:25,233 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:25,234 INFO L182 omatonBuilderFactory]: Interpolants [4000#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 4001#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 4002#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4003#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|))), 4004#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4005#(or (and (= |main_#t~mem16.base| main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~head~0.offset)) (not (= (+ |main_#t~mem16.offset| 8) main_~head~0.offset))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem16.base| main_~head~0.base)))), 4006#(or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 4007#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4008#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4009#(or (and (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| main_~x~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 4010#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 4011#(= 1 (select |#valid| |main_#t~mem20.base|)), 4012#(= 1 (select |#valid| main_~x~0.base)), 3995#true, 3996#false, 3997#(= 0 |main_#t~malloc0.offset|), 3998#(= 0 main_~head~0.offset), 3999#(and (= 0 main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)))] [2018-02-04 03:41:25,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:25,234 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:41:25,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:41:25,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:41:25,235 INFO L87 Difference]: Start difference. First operand 119 states and 126 transitions. Second operand 18 states. [2018-02-04 03:41:25,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:25,920 INFO L93 Difference]: Finished difference Result 220 states and 230 transitions. [2018-02-04 03:41:25,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:41:25,920 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 37 [2018-02-04 03:41:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:25,921 INFO L225 Difference]: With dead ends: 220 [2018-02-04 03:41:25,921 INFO L226 Difference]: Without dead ends: 220 [2018-02-04 03:41:25,922 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=344, Invalid=1062, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:41:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-02-04 03:41:25,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 145. [2018-02-04 03:41:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 03:41:25,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2018-02-04 03:41:25,924 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 37 [2018-02-04 03:41:25,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:25,924 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2018-02-04 03:41:25,924 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:41:25,924 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2018-02-04 03:41:25,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:41:25,925 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:25,925 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:25,925 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:25,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1046747596, now seen corresponding path program 1 times [2018-02-04 03:41:25,926 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:25,939 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,139 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:26,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:41:26,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,140 INFO L182 omatonBuilderFactory]: Interpolants [4418#true, 4419#false, 4420#(= 1 (select |#valid| main_~head~0.base)), 4421#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 4422#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.base main_~head~0.base)), 4423#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 4424#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4425#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4426#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4427#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4428#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 4429#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 4430#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 4431#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:41:26,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,140 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:41:26,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:41:26,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:41:26,141 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand 14 states. [2018-02-04 03:41:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:26,688 INFO L93 Difference]: Finished difference Result 245 states and 254 transitions. [2018-02-04 03:41:26,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:41:26,689 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2018-02-04 03:41:26,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:26,689 INFO L225 Difference]: With dead ends: 245 [2018-02-04 03:41:26,689 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 03:41:26,690 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:41:26,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 03:41:26,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 143. [2018-02-04 03:41:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 03:41:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2018-02-04 03:41:26,692 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 37 [2018-02-04 03:41:26,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:26,692 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2018-02-04 03:41:26,692 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:41:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2018-02-04 03:41:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:41:26,693 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:26,693 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:26,693 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:26,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1370950256, now seen corresponding path program 1 times [2018-02-04 03:41:26,694 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:26,705 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,878 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:26,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-02-04 03:41:26,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,879 INFO L182 omatonBuilderFactory]: Interpolants [4842#true, 4843#false, 4844#(= 0 |main_#t~malloc0.offset|), 4845#(= 0 main_~head~0.offset), 4846#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 4847#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 4848#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 4849#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4850#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|))), 4851#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4852#(or (and (= |main_#t~mem16.base| main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~head~0.offset)) (not (= (+ |main_#t~mem16.offset| 8) main_~head~0.offset))) (and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem16.base| main_~head~0.base)))), 4853#(or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 4854#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4855#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 4856#(= 1 (select |#valid| |main_#t~mem22.base|)), 4857#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:26,879 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:41:26,879 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:41:26,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:41:26,880 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand 16 states. [2018-02-04 03:41:27,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:27,387 INFO L93 Difference]: Finished difference Result 233 states and 244 transitions. [2018-02-04 03:41:27,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:41:27,387 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 37 [2018-02-04 03:41:27,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:27,389 INFO L225 Difference]: With dead ends: 233 [2018-02-04 03:41:27,389 INFO L226 Difference]: Without dead ends: 233 [2018-02-04 03:41:27,389 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=295, Invalid=827, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:41:27,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-04 03:41:27,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 151. [2018-02-04 03:41:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-04 03:41:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 161 transitions. [2018-02-04 03:41:27,393 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 161 transitions. Word has length 37 [2018-02-04 03:41:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:27,393 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 161 transitions. [2018-02-04 03:41:27,393 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:41:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 161 transitions. [2018-02-04 03:41:27,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:41:27,394 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:27,394 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:27,394 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1370950257, now seen corresponding path program 1 times [2018-02-04 03:41:27,395 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:27,407 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:27,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:27,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:27,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-04 03:41:27,528 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:27,528 INFO L182 omatonBuilderFactory]: Interpolants [5280#(= (select |#valid| main_~head~0.base) 1), 5281#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5282#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.base main_~head~0.base)), 5283#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5284#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5285#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5286#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5287#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5288#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 5289#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 5278#true, 5279#false] [2018-02-04 03:41:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:27,528 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:41:27,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:41:27,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:41:27,528 INFO L87 Difference]: Start difference. First operand 151 states and 161 transitions. Second operand 12 states. [2018-02-04 03:41:27,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:27,905 INFO L93 Difference]: Finished difference Result 248 states and 257 transitions. [2018-02-04 03:41:27,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:41:27,905 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 37 [2018-02-04 03:41:27,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:27,905 INFO L225 Difference]: With dead ends: 248 [2018-02-04 03:41:27,906 INFO L226 Difference]: Without dead ends: 248 [2018-02-04 03:41:27,906 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:41:27,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-02-04 03:41:27,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 151. [2018-02-04 03:41:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-04 03:41:27,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 160 transitions. [2018-02-04 03:41:27,908 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 160 transitions. Word has length 37 [2018-02-04 03:41:27,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:27,908 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 160 transitions. [2018-02-04 03:41:27,908 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:41:27,908 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 160 transitions. [2018-02-04 03:41:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:41:27,909 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:27,909 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:27,909 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:27,909 INFO L82 PathProgramCache]: Analyzing trace with hash -2032889175, now seen corresponding path program 2 times [2018-02-04 03:41:27,909 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:27,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:28,225 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:28,225 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:28,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:28,225 INFO L182 omatonBuilderFactory]: Interpolants [5707#true, 5708#false, 5709#(= 0 |main_#t~malloc0.offset|), 5710#(= main_~head~0.offset 0), 5711#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 5712#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5713#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 5714#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 5715#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|)) (= main_~head~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5716#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| 0) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5717#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5718#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 5719#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 5720#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 5721#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 5722#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)), 5723#(or (<= (+ main_~x~0.offset 1) 0) (= |main_#t~mem19| 2)), 5724#(<= (+ main_~x~0.offset 1) 0)] [2018-02-04 03:41:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:28,226 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:41:28,226 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:41:28,226 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:41:28,226 INFO L87 Difference]: Start difference. First operand 151 states and 160 transitions. Second operand 18 states. [2018-02-04 03:41:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:28,849 INFO L93 Difference]: Finished difference Result 225 states and 232 transitions. [2018-02-04 03:41:28,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:41:28,849 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 46 [2018-02-04 03:41:28,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:28,850 INFO L225 Difference]: With dead ends: 225 [2018-02-04 03:41:28,850 INFO L226 Difference]: Without dead ends: 220 [2018-02-04 03:41:28,850 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=299, Invalid=1033, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:41:28,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-02-04 03:41:28,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 154. [2018-02-04 03:41:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-04 03:41:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 163 transitions. [2018-02-04 03:41:28,852 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 163 transitions. Word has length 46 [2018-02-04 03:41:28,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:28,852 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 163 transitions. [2018-02-04 03:41:28,852 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:41:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2018-02-04 03:41:28,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:41:28,853 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:28,853 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:28,853 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:28,853 INFO L82 PathProgramCache]: Analyzing trace with hash 384808678, now seen corresponding path program 1 times [2018-02-04 03:41:28,854 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:28,863 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:29,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:29,109 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,110 INFO L182 omatonBuilderFactory]: Interpolants [6144#(= 0 |main_#t~malloc0.offset|), 6145#(= main_~head~0.offset 0), 6146#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 6147#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 6148#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 6149#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 6150#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|)) (= main_~head~0.offset 0) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6151#(and (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem16.offset| 0) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6152#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6153#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 6154#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 6155#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 6156#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 6157#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)), 6158#(or (<= (+ main_~x~0.offset 1) 0) (and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2))), 6159#(<= (+ main_~x~0.offset 1) 0), 6142#true, 6143#false] [2018-02-04 03:41:29,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:41:29,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:41:29,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:41:29,111 INFO L87 Difference]: Start difference. First operand 154 states and 163 transitions. Second operand 18 states. [2018-02-04 03:41:29,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:29,706 INFO L93 Difference]: Finished difference Result 215 states and 221 transitions. [2018-02-04 03:41:29,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:41:29,706 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 46 [2018-02-04 03:41:29,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:29,707 INFO L225 Difference]: With dead ends: 215 [2018-02-04 03:41:29,707 INFO L226 Difference]: Without dead ends: 201 [2018-02-04 03:41:29,707 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1036, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:41:29,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-02-04 03:41:29,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 145. [2018-02-04 03:41:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-02-04 03:41:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 153 transitions. [2018-02-04 03:41:29,709 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 153 transitions. Word has length 46 [2018-02-04 03:41:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:29,709 INFO L432 AbstractCegarLoop]: Abstraction has 145 states and 153 transitions. [2018-02-04 03:41:29,709 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:41:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 153 transitions. [2018-02-04 03:41:29,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 03:41:29,710 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:29,710 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:29,710 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1950459154, now seen corresponding path program 1 times [2018-02-04 03:41:29,711 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:29,718 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,929 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:29,929 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:29,929 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,930 INFO L182 omatonBuilderFactory]: Interpolants [6560#(not (= 0 |main_#t~malloc0.base|)), 6561#(not (= 0 main_~head~0.base)), 6562#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 6563#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 6564#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 6565#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 6566#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6567#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 6568#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 6569#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.base|) (not (= 0 main_~head~0.base))), 6570#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 6571#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 6572#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 6573#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 6574#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)) (not (= 0 main_~head~0.base))), 6575#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 6576#(= 1 (select |#valid| main_~x~0.base)), 6558#true, 6559#false] [2018-02-04 03:41:29,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:29,930 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:41:29,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:41:29,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:41:29,931 INFO L87 Difference]: Start difference. First operand 145 states and 153 transitions. Second operand 19 states. [2018-02-04 03:41:30,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:30,583 INFO L93 Difference]: Finished difference Result 222 states and 228 transitions. [2018-02-04 03:41:30,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:41:30,584 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2018-02-04 03:41:30,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:30,585 INFO L225 Difference]: With dead ends: 222 [2018-02-04 03:41:30,585 INFO L226 Difference]: Without dead ends: 222 [2018-02-04 03:41:30,585 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=385, Invalid=1175, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:41:30,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-02-04 03:41:30,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 156. [2018-02-04 03:41:30,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:41:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 166 transitions. [2018-02-04 03:41:30,588 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 166 transitions. Word has length 48 [2018-02-04 03:41:30,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:30,589 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 166 transitions. [2018-02-04 03:41:30,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:41:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 166 transitions. [2018-02-04 03:41:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 03:41:30,589 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:30,589 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:30,589 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:30,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1950459153, now seen corresponding path program 1 times [2018-02-04 03:41:30,590 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:30,599 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:30,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:30,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:30,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-04 03:41:30,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:30,701 INFO L182 omatonBuilderFactory]: Interpolants [6997#true, 6998#false, 6999#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7000#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.offset|) (= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7001#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7002#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8))), 7003#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 7004#(and (<= (+ |main_#t~mem25.offset| 12) (select |#length| |main_#t~mem25.base|)) (<= 0 (+ |main_#t~mem25.offset| 8))), 7005#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8)))] [2018-02-04 03:41:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:30,701 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:41:30,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:41:30,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:41:30,702 INFO L87 Difference]: Start difference. First operand 156 states and 166 transitions. Second operand 9 states. [2018-02-04 03:41:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:31,091 INFO L93 Difference]: Finished difference Result 215 states and 220 transitions. [2018-02-04 03:41:31,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:41:31,092 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-02-04 03:41:31,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:31,092 INFO L225 Difference]: With dead ends: 215 [2018-02-04 03:41:31,092 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 03:41:31,092 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:41:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 03:41:31,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 167. [2018-02-04 03:41:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-02-04 03:41:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 180 transitions. [2018-02-04 03:41:31,095 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 180 transitions. Word has length 48 [2018-02-04 03:41:31,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:31,095 INFO L432 AbstractCegarLoop]: Abstraction has 167 states and 180 transitions. [2018-02-04 03:41:31,095 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:41:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 180 transitions. [2018-02-04 03:41:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:41:31,096 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:31,096 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:31,096 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:31,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1756403259, now seen corresponding path program 1 times [2018-02-04 03:41:31,097 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:31,107 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,289 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:31,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-02-04 03:41:31,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:31,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,289 INFO L182 omatonBuilderFactory]: Interpolants [7403#true, 7404#false, 7405#(= 0 |main_#t~malloc0.offset|), 7406#(= 0 main_~head~0.offset), 7407#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 7408#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 7409#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 7410#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 7411#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|))), 7412#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 7413#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) main_~head~0.offset)) (= |main_#t~mem16.base| main_~head~0.base) (not (= (+ |main_#t~mem16.offset| 8) main_~head~0.offset))) (and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 7414#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 7415#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 7416#(= 0 |main_#t~mem27.offset|)] [2018-02-04 03:41:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,290 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:41:31,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:41:31,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:41:31,290 INFO L87 Difference]: Start difference. First operand 167 states and 180 transitions. Second operand 14 states. [2018-02-04 03:41:31,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:31,689 INFO L93 Difference]: Finished difference Result 207 states and 217 transitions. [2018-02-04 03:41:31,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:41:31,689 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 49 [2018-02-04 03:41:31,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:31,690 INFO L225 Difference]: With dead ends: 207 [2018-02-04 03:41:31,690 INFO L226 Difference]: Without dead ends: 207 [2018-02-04 03:41:31,690 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:41:31,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-02-04 03:41:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 173. [2018-02-04 03:41:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-02-04 03:41:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 187 transitions. [2018-02-04 03:41:31,692 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 187 transitions. Word has length 49 [2018-02-04 03:41:31,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:31,692 INFO L432 AbstractCegarLoop]: Abstraction has 173 states and 187 transitions. [2018-02-04 03:41:31,692 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:41:31,692 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 187 transitions. [2018-02-04 03:41:31,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:41:31,693 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:31,693 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:31,693 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:31,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1756403258, now seen corresponding path program 1 times [2018-02-04 03:41:31,693 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:31,698 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,741 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:31,741 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:41:31,741 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,741 INFO L182 omatonBuilderFactory]: Interpolants [7827#true, 7828#false, 7829#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7830#(= |main_#t~mem22.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7831#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7832#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7833#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 7834#(= 1 (select |#valid| |main_#t~mem27.base|))] [2018-02-04 03:41:31,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:31,742 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:41:31,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:41:31,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:41:31,742 INFO L87 Difference]: Start difference. First operand 173 states and 187 transitions. Second operand 8 states. [2018-02-04 03:41:31,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:31,986 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2018-02-04 03:41:31,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:41:31,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 49 [2018-02-04 03:41:31,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:31,987 INFO L225 Difference]: With dead ends: 196 [2018-02-04 03:41:31,987 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 03:41:31,987 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:41:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 03:41:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 179. [2018-02-04 03:41:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 03:41:31,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2018-02-04 03:41:31,989 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 49 [2018-02-04 03:41:31,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:31,989 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2018-02-04 03:41:31,990 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:41:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2018-02-04 03:41:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:41:31,990 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:31,990 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:31,990 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:31,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1785500528, now seen corresponding path program 1 times [2018-02-04 03:41:31,991 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:31,999 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:32,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,278 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:32,278 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:32,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,279 INFO L182 omatonBuilderFactory]: Interpolants [8224#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 8225#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8226#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem14.base|))), 8227#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 8228#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem16.base|) main_~head~0.offset)) (= |main_#t~mem16.base| main_~head~0.base) (not (= (+ |main_#t~mem16.offset| 8) main_~head~0.offset))) (and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 8229#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 8230#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8231#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem22.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8232#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8233#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 8234#(= 0 |main_#t~mem25.offset|), 8235#(= main_~x~0.offset 0), 8236#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 8218#true, 8219#false, 8220#(= 0 |main_#t~malloc0.offset|), 8221#(= 0 main_~head~0.offset), 8222#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 8223#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:41:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,279 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:41:32,279 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:41:32,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:41:32,280 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand 19 states. [2018-02-04 03:41:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:32,800 INFO L93 Difference]: Finished difference Result 217 states and 226 transitions. [2018-02-04 03:41:32,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:41:32,801 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 50 [2018-02-04 03:41:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:32,801 INFO L225 Difference]: With dead ends: 217 [2018-02-04 03:41:32,801 INFO L226 Difference]: Without dead ends: 217 [2018-02-04 03:41:32,802 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=417, Invalid=1065, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:41:32,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-02-04 03:41:32,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 177. [2018-02-04 03:41:32,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-02-04 03:41:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 191 transitions. [2018-02-04 03:41:32,804 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 191 transitions. Word has length 50 [2018-02-04 03:41:32,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:32,804 INFO L432 AbstractCegarLoop]: Abstraction has 177 states and 191 transitions. [2018-02-04 03:41:32,804 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:41:32,804 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 191 transitions. [2018-02-04 03:41:32,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:41:32,804 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:32,804 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:32,804 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:32,805 INFO L82 PathProgramCache]: Analyzing trace with hash 18622023, now seen corresponding path program 1 times [2018-02-04 03:41:32,805 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:32,811 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,930 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:32,930 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-04 03:41:32,931 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,931 INFO L182 omatonBuilderFactory]: Interpolants [8672#false, 8673#(= (select |#valid| main_~head~0.base) 1), 8674#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8675#(and (not (= 0 |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8676#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 8677#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 8678#(and (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8679#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8680#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 8681#(and (= 1 (select (store |#valid| |main_#t~mem27.base| 0) main_~x~0.base)) (not (= 0 |main_#t~mem27.base|))), 8682#(= 1 (select |#valid| main_~x~0.base)), 8671#true] [2018-02-04 03:41:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:32,931 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:41:32,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:41:32,931 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:41:32,931 INFO L87 Difference]: Start difference. First operand 177 states and 191 transitions. Second operand 12 states. [2018-02-04 03:41:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:33,216 INFO L93 Difference]: Finished difference Result 198 states and 213 transitions. [2018-02-04 03:41:33,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:41:33,216 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 51 [2018-02-04 03:41:33,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:33,217 INFO L225 Difference]: With dead ends: 198 [2018-02-04 03:41:33,217 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 03:41:33,217 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:41:33,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 03:41:33,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 179. [2018-02-04 03:41:33,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 03:41:33,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 193 transitions. [2018-02-04 03:41:33,219 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 193 transitions. Word has length 51 [2018-02-04 03:41:33,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:33,219 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 193 transitions. [2018-02-04 03:41:33,219 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:41:33,219 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 193 transitions. [2018-02-04 03:41:33,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:41:33,219 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:33,219 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:33,220 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:33,220 INFO L82 PathProgramCache]: Analyzing trace with hash 405927113, now seen corresponding path program 1 times [2018-02-04 03:41:33,220 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:33,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:33,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:33,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:41:33,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:33,493 INFO L182 omatonBuilderFactory]: Interpolants [9088#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 9089#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 9090#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 9091#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 9092#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 9093#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 9094#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 9095#(= 1 (select |#valid| |main_#t~mem20.base|)), 9096#(= 1 (select |#valid| main_~x~0.base)), 9076#true, 9077#false, 9078#(= 1 (select |#valid| main_~head~0.base)), 9079#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 9080#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 9081#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 9082#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 9083#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 9084#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 9085#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 9086#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))), 9087#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:41:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:33,493 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:41:33,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:41:33,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:41:33,494 INFO L87 Difference]: Start difference. First operand 179 states and 193 transitions. Second operand 21 states. [2018-02-04 03:41:34,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:34,180 INFO L93 Difference]: Finished difference Result 300 states and 323 transitions. [2018-02-04 03:41:34,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:41:34,180 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 51 [2018-02-04 03:41:34,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:34,182 INFO L225 Difference]: With dead ends: 300 [2018-02-04 03:41:34,182 INFO L226 Difference]: Without dead ends: 300 [2018-02-04 03:41:34,182 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=267, Invalid=1215, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:41:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-02-04 03:41:34,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 216. [2018-02-04 03:41:34,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-02-04 03:41:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 233 transitions. [2018-02-04 03:41:34,186 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 233 transitions. Word has length 51 [2018-02-04 03:41:34,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:34,186 INFO L432 AbstractCegarLoop]: Abstraction has 216 states and 233 transitions. [2018-02-04 03:41:34,186 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:41:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2018-02-04 03:41:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:41:34,186 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:34,186 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:34,186 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:34,187 INFO L82 PathProgramCache]: Analyzing trace with hash 405927114, now seen corresponding path program 1 times [2018-02-04 03:41:34,187 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:34,197 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:34,628 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:34,628 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:41:34,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:34,628 INFO L182 omatonBuilderFactory]: Interpolants [9664#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9665#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 9666#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 9667#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 9668#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 9669#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 9649#true, 9650#false, 9651#(= 1 (select |#valid| main_~head~0.base)), 9652#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 9653#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 9654#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 9655#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 9656#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9657#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 9658#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 9659#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 9660#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9661#(and (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 9662#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9663#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:41:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:34,628 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:41:34,629 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:41:34,629 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:41:34,629 INFO L87 Difference]: Start difference. First operand 216 states and 233 transitions. Second operand 21 states. [2018-02-04 03:41:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:35,396 INFO L93 Difference]: Finished difference Result 344 states and 368 transitions. [2018-02-04 03:41:35,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:41:35,396 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 51 [2018-02-04 03:41:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:35,397 INFO L225 Difference]: With dead ends: 344 [2018-02-04 03:41:35,397 INFO L226 Difference]: Without dead ends: 344 [2018-02-04 03:41:35,398 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=274, Invalid=1132, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:41:35,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2018-02-04 03:41:35,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 222. [2018-02-04 03:41:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 03:41:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 239 transitions. [2018-02-04 03:41:35,402 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 239 transitions. Word has length 51 [2018-02-04 03:41:35,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:35,403 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 239 transitions. [2018-02-04 03:41:35,403 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:41:35,403 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 239 transitions. [2018-02-04 03:41:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:41:35,403 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:35,404 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:35,404 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:35,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1471342330, now seen corresponding path program 1 times [2018-02-04 03:41:35,405 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:35,416 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:35,670 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:35,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:35,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:35,671 INFO L182 omatonBuilderFactory]: Interpolants [10272#(= (select |#valid| main_~head~0.base) 1), 10273#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10274#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10275#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10276#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 10277#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 10278#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 10279#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 10280#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))), 10281#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10282#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 10283#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 10284#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 10285#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 10286#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10287#(= 1 (select |#valid| |main_#t~mem22.base|)), 10288#(= 1 (select |#valid| main_~x~0.base)), 10270#true, 10271#false] [2018-02-04 03:41:35,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:35,672 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:41:35,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:41:35,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:41:35,672 INFO L87 Difference]: Start difference. First operand 222 states and 239 transitions. Second operand 19 states. [2018-02-04 03:41:36,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:36,392 INFO L93 Difference]: Finished difference Result 311 states and 333 transitions. [2018-02-04 03:41:36,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:41:36,392 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2018-02-04 03:41:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:36,393 INFO L225 Difference]: With dead ends: 311 [2018-02-04 03:41:36,393 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 03:41:36,393 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:41:36,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 03:41:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 230. [2018-02-04 03:41:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-02-04 03:41:36,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 248 transitions. [2018-02-04 03:41:36,396 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 248 transitions. Word has length 51 [2018-02-04 03:41:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:36,396 INFO L432 AbstractCegarLoop]: Abstraction has 230 states and 248 transitions. [2018-02-04 03:41:36,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:41:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 248 transitions. [2018-02-04 03:41:36,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:41:36,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:36,396 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:36,397 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:36,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1471342329, now seen corresponding path program 1 times [2018-02-04 03:41:36,397 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:36,404 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:36,732 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:36,732 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:41:36,732 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:36,732 INFO L182 omatonBuilderFactory]: Interpolants [10860#true, 10861#false, 10862#(= (select |#valid| main_~head~0.base) 1), 10863#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 10864#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 10865#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 10866#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 10867#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10868#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 12)), 10869#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 12)), 10870#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 10871#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10872#(and (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 10873#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10874#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10875#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 10876#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 10877#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 10878#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:41:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:36,732 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:41:36,733 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:41:36,733 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:41:36,733 INFO L87 Difference]: Start difference. First operand 230 states and 248 transitions. Second operand 19 states. [2018-02-04 03:41:37,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:37,466 INFO L93 Difference]: Finished difference Result 342 states and 364 transitions. [2018-02-04 03:41:37,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:41:37,466 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 51 [2018-02-04 03:41:37,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:37,467 INFO L225 Difference]: With dead ends: 342 [2018-02-04 03:41:37,467 INFO L226 Difference]: Without dead ends: 342 [2018-02-04 03:41:37,468 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:41:37,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-02-04 03:41:37,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 230. [2018-02-04 03:41:37,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-02-04 03:41:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 247 transitions. [2018-02-04 03:41:37,470 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 247 transitions. Word has length 51 [2018-02-04 03:41:37,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:37,470 INFO L432 AbstractCegarLoop]: Abstraction has 230 states and 247 transitions. [2018-02-04 03:41:37,470 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:41:37,470 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2018-02-04 03:41:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:41:37,471 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:37,471 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:37,471 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:37,471 INFO L82 PathProgramCache]: Analyzing trace with hash 715900679, now seen corresponding path program 1 times [2018-02-04 03:41:37,471 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:37,479 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:37,954 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:37,954 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2018-02-04 03:41:37,954 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:37,954 INFO L182 omatonBuilderFactory]: Interpolants [11488#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 11489#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 11490#(and (or (and (= |main_#t~mem16.base| main_~head~0.base) (not (= (+ |main_#t~mem16.offset| 8) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| |main_#t~mem16.base|) main_~head~0.offset) main_~head~0.base)) (and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|))) (not (= 0 main_~head~0.base))), 11491#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~head~0.base)) (not (= 0 main_~head~0.base))), 11492#(and (or (and (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~head~0.base)) (not (= 0 main_~head~0.base))), 11493#(and (not (= 0 main_~x~0.base)) (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 11494#(and (or (and (= |old(#valid)| (store (store |#valid| |main_#t~mem27.base| 0) main_~x~0.base 0)) (not (= 0 |main_#t~mem27.base|))) (= |main_#t~mem27.base| main_~x~0.base)) (not (= 0 main_~x~0.base))), 11495#(and (not (= 0 main_~x~0.base)) (or (= 0 (select |#valid| main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|))), 11479#true, 11480#false, 11481#(= |#valid| |old(#valid)|), 11482#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 11483#(and (= 0 main_~head~0.offset) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 11484#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 11485#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 11486#(and (not (= 0 |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.offset 0) (= |old(#valid)| (store (store |#valid| main_~head~0.base 0) |main_#t~malloc12.base| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 11487#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|))] [2018-02-04 03:41:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:37,955 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:41:37,955 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:41:37,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:41:37,955 INFO L87 Difference]: Start difference. First operand 230 states and 247 transitions. Second operand 17 states. [2018-02-04 03:41:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:38,522 INFO L93 Difference]: Finished difference Result 243 states and 260 transitions. [2018-02-04 03:41:38,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:41:38,522 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 53 [2018-02-04 03:41:38,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:38,523 INFO L225 Difference]: With dead ends: 243 [2018-02-04 03:41:38,523 INFO L226 Difference]: Without dead ends: 233 [2018-02-04 03:41:38,523 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:41:38,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-04 03:41:38,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 222. [2018-02-04 03:41:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-02-04 03:41:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 238 transitions. [2018-02-04 03:41:38,527 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 238 transitions. Word has length 53 [2018-02-04 03:41:38,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:38,527 INFO L432 AbstractCegarLoop]: Abstraction has 222 states and 238 transitions. [2018-02-04 03:41:38,527 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:41:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 238 transitions. [2018-02-04 03:41:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 03:41:38,528 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:38,528 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:38,528 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:38,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1909599630, now seen corresponding path program 2 times [2018-02-04 03:41:38,529 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:38,540 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:41:38,648 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:41:38,648 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:41:38,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:38,648 INFO L182 omatonBuilderFactory]: Interpolants [11984#false, 11985#(= 0 |main_#t~malloc0.offset|), 11986#(= main_~head~0.offset 0), 11987#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 11988#(and (= main_~head~0.offset main_~x~0.offset) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem18|) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 11989#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 11990#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 11991#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0)), 11992#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem24| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0)), 11983#true] [2018-02-04 03:41:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:41:38,648 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:41:38,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:41:38,649 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:41:38,649 INFO L87 Difference]: Start difference. First operand 222 states and 238 transitions. Second operand 10 states. [2018-02-04 03:41:38,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:38,808 INFO L93 Difference]: Finished difference Result 235 states and 240 transitions. [2018-02-04 03:41:38,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:41:38,808 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-02-04 03:41:38,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:38,809 INFO L225 Difference]: With dead ends: 235 [2018-02-04 03:41:38,809 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 03:41:38,809 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:41:38,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 03:41:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 185. [2018-02-04 03:41:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 03:41:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 198 transitions. [2018-02-04 03:41:38,811 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 198 transitions. Word has length 54 [2018-02-04 03:41:38,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:38,811 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 198 transitions. [2018-02-04 03:41:38,811 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:41:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 198 transitions. [2018-02-04 03:41:38,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:41:38,812 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:38,812 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:38,812 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:38,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1614187731, now seen corresponding path program 2 times [2018-02-04 03:41:38,812 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:38,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:39,220 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:39,221 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:39,221 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:41:39,221 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:39,221 INFO L182 omatonBuilderFactory]: Interpolants [12425#true, 12426#false, 12427#(= 1 (select |#valid| main_~head~0.base)), 12428#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12429#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12430#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12431#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 12432#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 12433#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 12434#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 12435#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 12436#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 12437#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 12438#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 12439#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 12440#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 12441#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 12442#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 12443#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 12444#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 12445#(= 1 (select |#valid| |main_#t~mem20.base|)), 12446#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:39,222 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:39,222 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:41:39,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:41:39,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:41:39,222 INFO L87 Difference]: Start difference. First operand 185 states and 198 transitions. Second operand 22 states. [2018-02-04 03:41:40,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:40,102 INFO L93 Difference]: Finished difference Result 257 states and 271 transitions. [2018-02-04 03:41:40,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:41:40,103 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-02-04 03:41:40,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:40,104 INFO L225 Difference]: With dead ends: 257 [2018-02-04 03:41:40,104 INFO L226 Difference]: Without dead ends: 257 [2018-02-04 03:41:40,104 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=1301, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:41:40,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-02-04 03:41:40,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 193. [2018-02-04 03:41:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-02-04 03:41:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 207 transitions. [2018-02-04 03:41:40,108 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 207 transitions. Word has length 60 [2018-02-04 03:41:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:40,108 INFO L432 AbstractCegarLoop]: Abstraction has 193 states and 207 transitions. [2018-02-04 03:41:40,108 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:41:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 207 transitions. [2018-02-04 03:41:40,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:41:40,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:40,109 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:40,109 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:40,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1614187732, now seen corresponding path program 2 times [2018-02-04 03:41:40,110 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:40,122 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:40,584 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:40,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:40,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:41:40,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:40,585 INFO L182 omatonBuilderFactory]: Interpolants [12933#true, 12934#false, 12935#(= 1 (select |#valid| main_~head~0.base)), 12936#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12937#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12938#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 12939#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 12940#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 12941#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 12942#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 12943#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 12944#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 12945#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 12946#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 12947#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 12948#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 12949#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 12950#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 12951#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 12952#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 12953#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 12954#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:41:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:40,585 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:41:40,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:41:40,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:41:40,585 INFO L87 Difference]: Start difference. First operand 193 states and 207 transitions. Second operand 22 states. [2018-02-04 03:41:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:41,553 INFO L93 Difference]: Finished difference Result 296 states and 310 transitions. [2018-02-04 03:41:41,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:41:41,553 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-02-04 03:41:41,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:41,554 INFO L225 Difference]: With dead ends: 296 [2018-02-04 03:41:41,554 INFO L226 Difference]: Without dead ends: 296 [2018-02-04 03:41:41,555 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:41:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-02-04 03:41:41,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 194. [2018-02-04 03:41:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-02-04 03:41:41,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 208 transitions. [2018-02-04 03:41:41,557 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 208 transitions. Word has length 60 [2018-02-04 03:41:41,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:41,557 INFO L432 AbstractCegarLoop]: Abstraction has 194 states and 208 transitions. [2018-02-04 03:41:41,557 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:41:41,557 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 208 transitions. [2018-02-04 03:41:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:41:41,557 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:41,558 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:41,558 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:41,558 INFO L82 PathProgramCache]: Analyzing trace with hash -263081712, now seen corresponding path program 1 times [2018-02-04 03:41:41,558 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:41,567 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:41,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:41,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:41:41,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:41,917 INFO L182 omatonBuilderFactory]: Interpolants [13481#true, 13482#false, 13483#(= 1 (select |#valid| main_~head~0.base)), 13484#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13485#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13486#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13487#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 13488#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 13489#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 13490#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 13491#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 13492#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13493#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 13494#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 13495#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 13496#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 13497#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 13498#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 13499#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 13500#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13501#(= 1 (select |#valid| |main_#t~mem22.base|)), 13502#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:41,917 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:41:41,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:41:41,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:41:41,918 INFO L87 Difference]: Start difference. First operand 194 states and 208 transitions. Second operand 22 states. [2018-02-04 03:41:42,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:42,700 INFO L93 Difference]: Finished difference Result 270 states and 285 transitions. [2018-02-04 03:41:42,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:41:42,700 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-02-04 03:41:42,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:42,701 INFO L225 Difference]: With dead ends: 270 [2018-02-04 03:41:42,701 INFO L226 Difference]: Without dead ends: 270 [2018-02-04 03:41:42,702 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=291, Invalid=1431, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:41:42,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-02-04 03:41:42,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 202. [2018-02-04 03:41:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-02-04 03:41:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 217 transitions. [2018-02-04 03:41:42,704 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 217 transitions. Word has length 60 [2018-02-04 03:41:42,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:42,704 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 217 transitions. [2018-02-04 03:41:42,704 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:41:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 217 transitions. [2018-02-04 03:41:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 03:41:42,705 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:42,705 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:42,705 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:42,705 INFO L82 PathProgramCache]: Analyzing trace with hash -263081711, now seen corresponding path program 1 times [2018-02-04 03:41:42,705 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:42,712 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:43,058 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:43,058 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:43,059 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:41:43,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:43,059 INFO L182 omatonBuilderFactory]: Interpolants [14016#false, 14017#(= 1 (select |#valid| main_~head~0.base)), 14018#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 14019#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 14020#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 14021#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 14022#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 14023#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 14024#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 14025#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 14026#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 14027#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 14028#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 14029#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 14030#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 14031#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 14032#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 14033#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 14034#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 14035#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 14036#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 14015#true] [2018-02-04 03:41:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:43,059 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:41:43,059 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:41:43,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:41:43,060 INFO L87 Difference]: Start difference. First operand 202 states and 217 transitions. Second operand 22 states. [2018-02-04 03:41:44,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:44,029 INFO L93 Difference]: Finished difference Result 299 states and 313 transitions. [2018-02-04 03:41:44,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:41:44,029 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 60 [2018-02-04 03:41:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:44,030 INFO L225 Difference]: With dead ends: 299 [2018-02-04 03:41:44,030 INFO L226 Difference]: Without dead ends: 299 [2018-02-04 03:41:44,030 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=1349, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:41:44,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-02-04 03:41:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 202. [2018-02-04 03:41:44,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-02-04 03:41:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 216 transitions. [2018-02-04 03:41:44,033 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 216 transitions. Word has length 60 [2018-02-04 03:41:44,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:44,033 INFO L432 AbstractCegarLoop]: Abstraction has 202 states and 216 transitions. [2018-02-04 03:41:44,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:41:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 216 transitions. [2018-02-04 03:41:44,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:41:44,034 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:44,034 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:44,034 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:44,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1475983525, now seen corresponding path program 1 times [2018-02-04 03:41:44,035 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:44,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:44,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:44,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:41:44,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:44,372 INFO L182 omatonBuilderFactory]: Interpolants [14592#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 14593#(= 0 |main_#t~mem27.offset|), 14574#true, 14575#false, 14576#(= 0 |main_#t~malloc0.offset|), 14577#(= 0 main_~head~0.offset), 14578#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 14579#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 0 main_~x~0.offset)), 14580#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= 0 main_~x~0.offset)), 14581#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 main_~x~0.offset)), 14582#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 main_~x~0.offset)), 14583#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 14584#(and (or (and (or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)) (= (select |#length| main_~x~0.base) 12)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 14585#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (and (<= (+ main_~x~0.offset 1) 0) (= (select |#length| main_~x~0.base) 12)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 14586#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (or (<= (+ main_~x~0.offset 1) 0) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 14587#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14588#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 14589#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14590#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14591#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))] [2018-02-04 03:41:44,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:44,373 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:41:44,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:41:44,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:41:44,373 INFO L87 Difference]: Start difference. First operand 202 states and 216 transitions. Second operand 20 states. [2018-02-04 03:41:45,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:45,098 INFO L93 Difference]: Finished difference Result 292 states and 305 transitions. [2018-02-04 03:41:45,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:41:45,098 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 03:41:45,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:45,099 INFO L225 Difference]: With dead ends: 292 [2018-02-04 03:41:45,099 INFO L226 Difference]: Without dead ends: 292 [2018-02-04 03:41:45,100 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=348, Invalid=1544, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:41:45,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-02-04 03:41:45,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 248. [2018-02-04 03:41:45,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-02-04 03:41:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 271 transitions. [2018-02-04 03:41:45,103 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 271 transitions. Word has length 63 [2018-02-04 03:41:45,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:45,103 INFO L432 AbstractCegarLoop]: Abstraction has 248 states and 271 transitions. [2018-02-04 03:41:45,103 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:41:45,103 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 271 transitions. [2018-02-04 03:41:45,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:41:45,104 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:45,104 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:45,104 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:45,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1080953251, now seen corresponding path program 1 times [2018-02-04 03:41:45,105 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:45,117 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:45,672 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:45,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:41:45,672 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:45,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:45,673 INFO L182 omatonBuilderFactory]: Interpolants [15200#(and (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base))), 15201#(and (= 1 (select |#valid| main_~x~0.base)) (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 15202#(and (= 1 (select |#valid| main_~x~0.base)) (or (= 1 (select (store |#valid| |main_#t~mem27.base| 0) main_~x~0.base)) (not (= 0 |main_#t~mem27.offset|)))), 15203#(= 1 (select |#valid| main_~x~0.base)), 15182#true, 15183#false, 15184#(= 0 |main_#t~malloc0.offset|), 15185#(= 0 main_~head~0.offset), 15186#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 15187#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.offset 0) (= main_~x~0.base main_~head~0.base)), 15188#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 15189#(or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))), 15190#(and (or (<= (+ main_~x~0.offset 1) 0) (and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (not (= (+ main_~x~0.offset 8) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))) (= (select |#valid| main_~x~0.base) 1)), 15191#(and (or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))) (= (select |#valid| main_~x~0.base) 1)), 15192#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (or (<= (+ main_~x~0.offset 1) 0) (and (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (and (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)))))), 15193#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15194#(and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))) (and (not (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base |main_#t~mem14.base|))), 15195#(or (and (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 15196#(or (and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 15197#(or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 15198#(and (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.base main_~head~0.base)), 15199#(and (or (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:41:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:45,673 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:41:45,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:41:45,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:41:45,673 INFO L87 Difference]: Start difference. First operand 248 states and 271 transitions. Second operand 22 states. [2018-02-04 03:41:46,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:46,760 INFO L93 Difference]: Finished difference Result 298 states and 309 transitions. [2018-02-04 03:41:46,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:41:46,760 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 65 [2018-02-04 03:41:46,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:46,761 INFO L225 Difference]: With dead ends: 298 [2018-02-04 03:41:46,761 INFO L226 Difference]: Without dead ends: 298 [2018-02-04 03:41:46,761 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=413, Invalid=1657, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:41:46,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-02-04 03:41:46,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 250. [2018-02-04 03:41:46,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-02-04 03:41:46,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 273 transitions. [2018-02-04 03:41:46,763 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 273 transitions. Word has length 65 [2018-02-04 03:41:46,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:46,764 INFO L432 AbstractCegarLoop]: Abstraction has 250 states and 273 transitions. [2018-02-04 03:41:46,764 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:41:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 273 transitions. [2018-02-04 03:41:46,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:41:46,764 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:46,764 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:46,764 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:46,764 INFO L82 PathProgramCache]: Analyzing trace with hash -693648161, now seen corresponding path program 3 times [2018-02-04 03:41:46,765 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:46,773 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:47,196 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:47,197 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:47,197 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:41:47,197 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:47,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:47,197 INFO L182 omatonBuilderFactory]: Interpolants [15808#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 15809#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 15810#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 15811#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15812#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 15813#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15814#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15815#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 15816#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 15817#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)))), 15818#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15819#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 15820#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15821#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 15822#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 15823#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 15824#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 15825#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 15826#(= 1 (select |#valid| |main_#t~mem20.base|)), 15827#(= 1 (select |#valid| main_~x~0.base)), 15800#true, 15801#false, 15802#(= 1 (select |#valid| main_~head~0.base)), 15803#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15804#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15805#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 15806#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 15807#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)))] [2018-02-04 03:41:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:47,198 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:41:47,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:41:47,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:41:47,198 INFO L87 Difference]: Start difference. First operand 250 states and 273 transitions. Second operand 28 states. [2018-02-04 03:41:48,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:48,299 INFO L93 Difference]: Finished difference Result 359 states and 387 transitions. [2018-02-04 03:41:48,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:41:48,300 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 65 [2018-02-04 03:41:48,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:48,301 INFO L225 Difference]: With dead ends: 359 [2018-02-04 03:41:48,301 INFO L226 Difference]: Without dead ends: 359 [2018-02-04 03:41:48,301 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=627, Invalid=2913, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:41:48,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-02-04 03:41:48,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 287. [2018-02-04 03:41:48,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-02-04 03:41:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 313 transitions. [2018-02-04 03:41:48,303 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 313 transitions. Word has length 65 [2018-02-04 03:41:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:48,303 INFO L432 AbstractCegarLoop]: Abstraction has 287 states and 313 transitions. [2018-02-04 03:41:48,304 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:41:48,304 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 313 transitions. [2018-02-04 03:41:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:41:48,304 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:48,304 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:48,304 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash -693648160, now seen corresponding path program 3 times [2018-02-04 03:41:48,305 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:48,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:48,766 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:48,766 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:48,766 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:41:48,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:48,767 INFO L182 omatonBuilderFactory]: Interpolants [16538#true, 16539#false, 16540#(= 1 (select |#valid| main_~head~0.base)), 16541#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 16542#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 16543#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 16544#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 16545#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16546#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16547#(and (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16548#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 16549#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16550#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 16551#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16552#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16553#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16554#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 16555#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 16556#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16557#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 16558#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16559#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16560#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 16561#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 16562#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 16563#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 16564#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 16565#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:41:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:48,767 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:41:48,768 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:41:48,768 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=642, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:41:48,768 INFO L87 Difference]: Start difference. First operand 287 states and 313 transitions. Second operand 28 states. [2018-02-04 03:41:50,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:50,207 INFO L93 Difference]: Finished difference Result 331 states and 353 transitions. [2018-02-04 03:41:50,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:41:50,207 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 65 [2018-02-04 03:41:50,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:50,208 INFO L225 Difference]: With dead ends: 331 [2018-02-04 03:41:50,208 INFO L226 Difference]: Without dead ends: 331 [2018-02-04 03:41:50,209 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 866 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=558, Invalid=2982, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:41:50,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-02-04 03:41:50,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 301. [2018-02-04 03:41:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-02-04 03:41:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 328 transitions. [2018-02-04 03:41:50,211 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 328 transitions. Word has length 65 [2018-02-04 03:41:50,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:50,211 INFO L432 AbstractCegarLoop]: Abstraction has 301 states and 328 transitions. [2018-02-04 03:41:50,211 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:41:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 328 transitions. [2018-02-04 03:41:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:41:50,212 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:50,212 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:50,212 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:50,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1724049692, now seen corresponding path program 2 times [2018-02-04 03:41:50,212 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:50,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:50,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:50,589 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:50,589 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:41:50,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:50,589 INFO L182 omatonBuilderFactory]: Interpolants [17280#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 17281#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 17282#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 17283#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 17284#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 17285#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 17286#(= 1 (select |#valid| |main_#t~mem22.base|)), 17287#(= 1 (select |#valid| main_~x~0.base)), 17262#true, 17263#false, 17264#(= (select |#valid| main_~head~0.base) 1), 17265#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17266#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 17267#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 17268#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 17269#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 17270#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 17271#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 17272#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 17273#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 17274#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 17275#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 17276#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 17277#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 17278#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 17279#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:41:50,589 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:50,590 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:41:50,590 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:41:50,590 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:41:50,590 INFO L87 Difference]: Start difference. First operand 301 states and 328 transitions. Second operand 26 states. [2018-02-04 03:41:51,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:51,521 INFO L93 Difference]: Finished difference Result 383 states and 412 transitions. [2018-02-04 03:41:51,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:41:51,521 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 65 [2018-02-04 03:41:51,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:51,522 INFO L225 Difference]: With dead ends: 383 [2018-02-04 03:41:51,522 INFO L226 Difference]: Without dead ends: 383 [2018-02-04 03:41:51,522 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 713 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=557, Invalid=2413, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 03:41:51,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-02-04 03:41:51,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 309. [2018-02-04 03:41:51,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-02-04 03:41:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 337 transitions. [2018-02-04 03:41:51,525 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 337 transitions. Word has length 65 [2018-02-04 03:41:51,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:51,525 INFO L432 AbstractCegarLoop]: Abstraction has 309 states and 337 transitions. [2018-02-04 03:41:51,525 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:41:51,525 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 337 transitions. [2018-02-04 03:41:51,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-02-04 03:41:51,525 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:51,525 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:51,525 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:51,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1724049693, now seen corresponding path program 2 times [2018-02-04 03:41:51,526 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:51,535 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:51,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:51,965 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:41:51,965 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:51,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:51,966 INFO L182 omatonBuilderFactory]: Interpolants [18048#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 18049#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18050#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 18051#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18052#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18053#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18054#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 18055#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 18056#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18057#(and (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 18058#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18059#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18060#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18061#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 18062#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 18063#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 18038#true, 18039#false, 18040#(= (select |#valid| main_~head~0.base) 1), 18041#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18042#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base)), 18043#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 18044#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 18045#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18046#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18047#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:41:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:51,966 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:41:51,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:41:51,966 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:41:51,966 INFO L87 Difference]: Start difference. First operand 309 states and 337 transitions. Second operand 26 states. [2018-02-04 03:41:53,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:53,179 INFO L93 Difference]: Finished difference Result 337 states and 358 transitions. [2018-02-04 03:41:53,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:41:53,179 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 65 [2018-02-04 03:41:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:53,180 INFO L225 Difference]: With dead ends: 337 [2018-02-04 03:41:53,180 INFO L226 Difference]: Without dead ends: 337 [2018-02-04 03:41:53,181 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 03:41:53,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-02-04 03:41:53,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 309. [2018-02-04 03:41:53,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-02-04 03:41:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 335 transitions. [2018-02-04 03:41:53,184 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 335 transitions. Word has length 65 [2018-02-04 03:41:53,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:53,184 INFO L432 AbstractCegarLoop]: Abstraction has 309 states and 335 transitions. [2018-02-04 03:41:53,184 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:41:53,184 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 335 transitions. [2018-02-04 03:41:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:41:53,184 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:53,185 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:53,185 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:53,185 INFO L82 PathProgramCache]: Analyzing trace with hash 586017181, now seen corresponding path program 1 times [2018-02-04 03:41:53,185 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:53,194 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:53,635 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:53,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:41:53,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:53,635 INFO L182 omatonBuilderFactory]: Interpolants [18784#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 18785#(and (not (= |main_#t~mem14.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem14.base|))), 18786#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 18787#(= 0 (select (select (store |#memory_int| |main_#t~mem16.base| (store (select |#memory_int| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 8) 2)) main_~head~0.base) (+ main_~head~0.offset 8))), 18788#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))), 18789#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)), 18790#(or (not (= 1 (select |#valid| main_~x~0.base))) (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) (select |#valid| main_~x~0.base)))), 18791#(not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)) 1)), 18792#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 1)), 18793#(not (= |main_#t~mem24| 1)), 18770#true, 18771#false, 18772#(= 0 |main_#t~malloc0.offset|), 18773#(= main_~head~0.offset 0), 18774#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 18775#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 18776#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 18777#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 18778#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 18779#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 18780#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 18781#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8) 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 18782#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8) 1)) main_~head~0.base) (+ main_~head~0.offset 8)))), 18783#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= |main_#t~malloc12.base| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))))] [2018-02-04 03:41:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:53,636 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:41:53,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:41:53,636 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:41:53,636 INFO L87 Difference]: Start difference. First operand 309 states and 335 transitions. Second operand 24 states. [2018-02-04 03:41:54,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:54,323 INFO L93 Difference]: Finished difference Result 327 states and 342 transitions. [2018-02-04 03:41:54,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:41:54,323 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 67 [2018-02-04 03:41:54,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:54,324 INFO L225 Difference]: With dead ends: 327 [2018-02-04 03:41:54,324 INFO L226 Difference]: Without dead ends: 313 [2018-02-04 03:41:54,325 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=508, Invalid=1654, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:41:54,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-02-04 03:41:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 281. [2018-02-04 03:41:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-02-04 03:41:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 304 transitions. [2018-02-04 03:41:54,327 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 304 transitions. Word has length 67 [2018-02-04 03:41:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:54,327 INFO L432 AbstractCegarLoop]: Abstraction has 281 states and 304 transitions. [2018-02-04 03:41:54,328 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:41:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 304 transitions. [2018-02-04 03:41:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:41:54,328 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:54,328 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:54,328 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:54,329 INFO L82 PathProgramCache]: Analyzing trace with hash 45834249, now seen corresponding path program 4 times [2018-02-04 03:41:54,329 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:54,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:54,772 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:54,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:41:54,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:54,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:54,773 INFO L182 omatonBuilderFactory]: Interpolants [19456#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 19457#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 19458#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 19459#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 19460#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 19461#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 19462#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 19463#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.offset| 0) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0)), 19464#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8)) 2) (= main_~head~0.offset 0)), 19465#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)), 19466#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2))), 19467#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)) (not (= 0 |main_#t~mem19|))), 19468#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 19469#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 19470#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 19471#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)), 19472#(or (<= (+ main_~x~0.offset 1) 0) (= |main_#t~mem19| 2)), 19473#(<= (+ main_~x~0.offset 1) 0), 19448#true, 19449#false, 19450#(= 0 |main_#t~malloc0.offset|), 19451#(= main_~head~0.offset 0), 19452#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 19453#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 19454#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 19455#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:41:54,773 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:54,773 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:41:54,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:41:54,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:41:54,773 INFO L87 Difference]: Start difference. First operand 281 states and 304 transitions. Second operand 26 states. [2018-02-04 03:41:55,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:55,954 INFO L93 Difference]: Finished difference Result 295 states and 308 transitions. [2018-02-04 03:41:55,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:41:55,955 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 69 [2018-02-04 03:41:55,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:55,955 INFO L225 Difference]: With dead ends: 295 [2018-02-04 03:41:55,955 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 03:41:55,956 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=403, Invalid=2249, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:41:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 03:41:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 262. [2018-02-04 03:41:55,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-02-04 03:41:55,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 279 transitions. [2018-02-04 03:41:55,958 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 279 transitions. Word has length 69 [2018-02-04 03:41:55,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:55,958 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 279 transitions. [2018-02-04 03:41:55,958 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:41:55,958 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 279 transitions. [2018-02-04 03:41:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:41:55,959 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:55,959 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:55,959 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:55,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1831435194, now seen corresponding path program 2 times [2018-02-04 03:41:55,959 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:55,968 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:56,503 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:56,503 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:41:56,503 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:56,504 INFO L182 omatonBuilderFactory]: Interpolants [20096#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 20097#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 20098#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.offset| 0) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0)), 20099#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8)) 2) (= main_~head~0.offset 0)), 20100#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)), 20101#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2))), 20102#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)) (not (= 0 |main_#t~mem19|))), 20103#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 20104#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 20105#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 20106#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)), 20107#(or (<= (+ main_~x~0.offset 1) 0) (and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2))), 20108#(<= (+ main_~x~0.offset 1) 0), 20083#true, 20084#false, 20085#(= 0 |main_#t~malloc0.offset|), 20086#(= main_~head~0.offset 0), 20087#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 20088#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 20089#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 20090#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 20091#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 20092#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 20093#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 20094#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 20095#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0))] [2018-02-04 03:41:56,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:56,504 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:41:56,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:41:56,504 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:41:56,504 INFO L87 Difference]: Start difference. First operand 262 states and 279 transitions. Second operand 26 states. [2018-02-04 03:41:57,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:57,630 INFO L93 Difference]: Finished difference Result 285 states and 297 transitions. [2018-02-04 03:41:57,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:41:57,630 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 69 [2018-02-04 03:41:57,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:57,631 INFO L225 Difference]: With dead ends: 285 [2018-02-04 03:41:57,631 INFO L226 Difference]: Without dead ends: 271 [2018-02-04 03:41:57,631 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=401, Invalid=2251, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:41:57,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-02-04 03:41:57,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 245. [2018-02-04 03:41:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 03:41:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 259 transitions. [2018-02-04 03:41:57,633 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 259 transitions. Word has length 69 [2018-02-04 03:41:57,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:57,633 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 259 transitions. [2018-02-04 03:41:57,633 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:41:57,634 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 259 transitions. [2018-02-04 03:41:57,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:41:57,634 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:57,634 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:57,634 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:57,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1457041330, now seen corresponding path program 1 times [2018-02-04 03:41:57,635 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:57,644 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:58,009 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:58,010 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:41:58,010 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:58,010 INFO L182 omatonBuilderFactory]: Interpolants [20691#true, 20692#false, 20693#(not (= 0 |main_#t~malloc0.base|)), 20694#(not (= 0 main_~head~0.base)), 20695#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 20696#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 20697#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 20698#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 20699#(and (= 1 (select |#valid| main_~x~0.base)) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 20700#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 20701#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 20702#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 20703#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 20704#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 20705#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 20706#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 20707#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 20708#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 20709#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 20710#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 20711#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 20712#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.base|) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 20713#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 20714#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 20715#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 20716#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 20717#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 20718#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)) (not (= 0 main_~head~0.base))), 20719#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 20720#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:41:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:58,010 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:41:58,010 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:41:58,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:41:58,011 INFO L87 Difference]: Start difference. First operand 245 states and 259 transitions. Second operand 30 states. [2018-02-04 03:41:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:41:59,199 INFO L93 Difference]: Finished difference Result 291 states and 303 transitions. [2018-02-04 03:41:59,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 03:41:59,199 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 71 [2018-02-04 03:41:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:41:59,200 INFO L225 Difference]: With dead ends: 291 [2018-02-04 03:41:59,200 INFO L226 Difference]: Without dead ends: 291 [2018-02-04 03:41:59,200 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=764, Invalid=2896, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:41:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-02-04 03:41:59,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 250. [2018-02-04 03:41:59,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-02-04 03:41:59,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 265 transitions. [2018-02-04 03:41:59,202 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 265 transitions. Word has length 71 [2018-02-04 03:41:59,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:41:59,202 INFO L432 AbstractCegarLoop]: Abstraction has 250 states and 265 transitions. [2018-02-04 03:41:59,202 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:41:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 265 transitions. [2018-02-04 03:41:59,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:41:59,203 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:41:59,203 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:41:59,203 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:41:59,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1457041329, now seen corresponding path program 1 times [2018-02-04 03:41:59,203 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:41:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:41:59,211 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:41:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:59,530 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:41:59,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:41:59,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:41:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:59,531 INFO L182 omatonBuilderFactory]: Interpolants [21324#true, 21325#false, 21326#(= 1 (select |#valid| main_~head~0.base)), 21327#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 21328#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 21329#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 21330#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 21331#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21332#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21333#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 21334#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 21335#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21336#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 21337#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21338#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21339#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 21340#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 21341#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 21342#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 21343#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21344#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21345#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21346#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21347#(and (<= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 21348#(and (<= 12 (select |#length| |main_#t~mem25.base|)) (= 0 |main_#t~mem25.offset|)), 21349#(and (<= 12 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 03:41:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:41:59,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:41:59,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:41:59,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:41:59,532 INFO L87 Difference]: Start difference. First operand 250 states and 265 transitions. Second operand 26 states. [2018-02-04 03:42:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:00,402 INFO L93 Difference]: Finished difference Result 269 states and 281 transitions. [2018-02-04 03:42:00,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:42:00,402 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 71 [2018-02-04 03:42:00,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:00,403 INFO L225 Difference]: With dead ends: 269 [2018-02-04 03:42:00,403 INFO L226 Difference]: Without dead ends: 269 [2018-02-04 03:42:00,403 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 425 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=332, Invalid=1924, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:42:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-02-04 03:42:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 252. [2018-02-04 03:42:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-02-04 03:42:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 267 transitions. [2018-02-04 03:42:00,405 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 267 transitions. Word has length 71 [2018-02-04 03:42:00,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:00,405 INFO L432 AbstractCegarLoop]: Abstraction has 252 states and 267 transitions. [2018-02-04 03:42:00,405 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:42:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 267 transitions. [2018-02-04 03:42:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:42:00,405 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:00,405 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:00,405 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:00,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1080396419, now seen corresponding path program 5 times [2018-02-04 03:42:00,406 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:00,416 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:00,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:00,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:42:00,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:00,910 INFO L182 omatonBuilderFactory]: Interpolants [21915#true, 21916#false, 21917#(= 1 (select |#valid| main_~head~0.base)), 21918#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 21919#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 21920#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 21921#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 21922#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 21923#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21924#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 21925#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 21926#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 21927#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 21928#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 21929#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21930#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 21931#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 21932#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 21933#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 21934#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 21935#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 21936#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 21937#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 21938#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 21939#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 21940#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 21941#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 21942#(= 1 (select |#valid| |main_#t~mem20.base|)), 21943#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:00,910 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:42:00,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:42:00,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:42:00,911 INFO L87 Difference]: Start difference. First operand 252 states and 267 transitions. Second operand 29 states. [2018-02-04 03:42:02,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:02,618 INFO L93 Difference]: Finished difference Result 332 states and 351 transitions. [2018-02-04 03:42:02,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:42:02,618 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 03:42:02,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:02,620 INFO L225 Difference]: With dead ends: 332 [2018-02-04 03:42:02,620 INFO L226 Difference]: Without dead ends: 332 [2018-02-04 03:42:02,620 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=443, Invalid=2979, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:42:02,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-02-04 03:42:02,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 261. [2018-02-04 03:42:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:42:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 278 transitions. [2018-02-04 03:42:02,624 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 278 transitions. Word has length 74 [2018-02-04 03:42:02,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:02,624 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 278 transitions. [2018-02-04 03:42:02,624 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:42:02,624 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 278 transitions. [2018-02-04 03:42:02,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:42:02,625 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:02,625 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:02,625 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:02,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1080396418, now seen corresponding path program 4 times [2018-02-04 03:42:02,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:02,641 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:03,336 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:03,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:42:03,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:03,337 INFO L182 omatonBuilderFactory]: Interpolants [22597#true, 22598#false, 22599#(= 1 (select |#valid| main_~head~0.base)), 22600#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22601#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22602#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22603#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 22604#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 22605#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 22606#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 22607#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 22608#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 22609#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 22610#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 22611#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 22612#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 22613#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 22614#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 22615#(and (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 22616#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 22617#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 22618#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 22619#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 22620#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 22621#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 22622#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 22623#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 22624#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 22625#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:42:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:03,337 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:42:03,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:42:03,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:42:03,338 INFO L87 Difference]: Start difference. First operand 261 states and 278 transitions. Second operand 29 states. [2018-02-04 03:42:04,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:04,980 INFO L93 Difference]: Finished difference Result 371 states and 390 transitions. [2018-02-04 03:42:04,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:42:04,981 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 03:42:04,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:04,982 INFO L225 Difference]: With dead ends: 371 [2018-02-04 03:42:04,982 INFO L226 Difference]: Without dead ends: 371 [2018-02-04 03:42:04,982 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=299, Invalid=2353, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:42:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-02-04 03:42:04,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 261. [2018-02-04 03:42:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 03:42:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 277 transitions. [2018-02-04 03:42:04,984 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 277 transitions. Word has length 74 [2018-02-04 03:42:04,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:04,984 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 277 transitions. [2018-02-04 03:42:04,984 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:42:04,984 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 277 transitions. [2018-02-04 03:42:04,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:42:04,984 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:04,984 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:04,984 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1337301434, now seen corresponding path program 3 times [2018-02-04 03:42:04,985 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:04,994 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:05,480 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:05,480 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:42:05,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:05,481 INFO L182 omatonBuilderFactory]: Interpolants [23304#true, 23305#false, 23306#(= 1 (select |#valid| main_~head~0.base)), 23307#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23308#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23309#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23310#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 23311#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 23312#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 23313#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 23314#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 23315#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 23316#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 23317#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 23318#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 23319#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 23320#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 23321#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 23322#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 23323#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 23324#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 23325#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 23326#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 23327#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 23328#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 23329#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 23330#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 23331#(= 1 (select |#valid| |main_#t~mem22.base|)), 23332#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:05,481 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:42:05,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:42:05,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:42:05,481 INFO L87 Difference]: Start difference. First operand 261 states and 277 transitions. Second operand 29 states. [2018-02-04 03:42:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:06,937 INFO L93 Difference]: Finished difference Result 345 states and 365 transitions. [2018-02-04 03:42:06,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:42:06,937 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 03:42:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:06,938 INFO L225 Difference]: With dead ends: 345 [2018-02-04 03:42:06,938 INFO L226 Difference]: Without dead ends: 345 [2018-02-04 03:42:06,939 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=443, Invalid=2979, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 03:42:06,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2018-02-04 03:42:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 269. [2018-02-04 03:42:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-02-04 03:42:06,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 286 transitions. [2018-02-04 03:42:06,941 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 286 transitions. Word has length 74 [2018-02-04 03:42:06,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:06,941 INFO L432 AbstractCegarLoop]: Abstraction has 269 states and 286 transitions. [2018-02-04 03:42:06,941 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:42:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 286 transitions. [2018-02-04 03:42:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:42:06,941 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:06,941 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:06,941 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:06,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1337301435, now seen corresponding path program 2 times [2018-02-04 03:42:06,942 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:06,952 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:07,636 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:07,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:42:07,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:07,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:07,637 INFO L182 omatonBuilderFactory]: Interpolants [24007#true, 24008#false, 24009#(= 1 (select |#valid| main_~head~0.base)), 24010#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24011#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24012#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24013#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 24014#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 24015#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 24016#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 24017#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 24018#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24019#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 24020#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 24021#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24022#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 24023#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 24024#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24025#(and (= 12 (select |#length| main_~x~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 24026#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 24027#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 24028#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 24029#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 24030#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 24031#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 24032#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 24033#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 24034#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 24035#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:42:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:07,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:42:07,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:42:07,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:42:07,637 INFO L87 Difference]: Start difference. First operand 269 states and 286 transitions. Second operand 29 states. [2018-02-04 03:42:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:09,224 INFO L93 Difference]: Finished difference Result 374 states and 393 transitions. [2018-02-04 03:42:09,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:42:09,224 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 74 [2018-02-04 03:42:09,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:09,225 INFO L225 Difference]: With dead ends: 374 [2018-02-04 03:42:09,225 INFO L226 Difference]: Without dead ends: 374 [2018-02-04 03:42:09,225 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=299, Invalid=2353, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:42:09,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2018-02-04 03:42:09,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 269. [2018-02-04 03:42:09,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-02-04 03:42:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 285 transitions. [2018-02-04 03:42:09,227 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 285 transitions. Word has length 74 [2018-02-04 03:42:09,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:09,227 INFO L432 AbstractCegarLoop]: Abstraction has 269 states and 285 transitions. [2018-02-04 03:42:09,227 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:42:09,227 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 285 transitions. [2018-02-04 03:42:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 03:42:09,229 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:09,229 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:09,229 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:09,229 INFO L82 PathProgramCache]: Analyzing trace with hash 697950160, now seen corresponding path program 1 times [2018-02-04 03:42:09,230 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:09,238 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:09,495 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:09,495 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:09,495 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:42:09,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:09,496 INFO L182 omatonBuilderFactory]: Interpolants [24736#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24737#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 24738#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24739#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24740#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 24741#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 24742#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24743#(or (not (= 0 |main_#t~mem19|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24744#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 24745#(= 0 |main_#t~mem25.offset|), 24746#(= 0 main_~x~0.offset), 24747#(= main_~head~0.offset 0), 24725#true, 24726#false, 24727#(= 1 (select |#valid| main_~head~0.base)), 24728#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24729#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24730#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 24731#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 24732#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24733#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24734#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 24735#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:42:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:09,496 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:42:09,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:42:09,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:42:09,497 INFO L87 Difference]: Start difference. First operand 269 states and 285 transitions. Second operand 23 states. [2018-02-04 03:42:10,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:10,159 INFO L93 Difference]: Finished difference Result 291 states and 302 transitions. [2018-02-04 03:42:10,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:42:10,159 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 75 [2018-02-04 03:42:10,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:10,160 INFO L225 Difference]: With dead ends: 291 [2018-02-04 03:42:10,160 INFO L226 Difference]: Without dead ends: 291 [2018-02-04 03:42:10,160 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=276, Invalid=1284, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:42:10,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-02-04 03:42:10,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 265. [2018-02-04 03:42:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-02-04 03:42:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 280 transitions. [2018-02-04 03:42:10,162 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 280 transitions. Word has length 75 [2018-02-04 03:42:10,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:10,162 INFO L432 AbstractCegarLoop]: Abstraction has 265 states and 280 transitions. [2018-02-04 03:42:10,162 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:42:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 280 transitions. [2018-02-04 03:42:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:42:10,163 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:10,163 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:10,163 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:10,163 INFO L82 PathProgramCache]: Analyzing trace with hash 715210706, now seen corresponding path program 2 times [2018-02-04 03:42:10,164 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:10,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:10,886 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:10,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:42:10,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:10,887 INFO L182 omatonBuilderFactory]: Interpolants [25344#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 25345#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25346#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 25347#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 25348#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select |#valid| 0))), 25349#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~x~0.base main_~head~0.base))), 25350#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 25351#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 25352#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25353#(and (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem14.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 25354#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 25355#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25356#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25357#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25358#(and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25359#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 25360#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 25361#(and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25362#(and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25363#(and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base))), 25364#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 25365#(and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 25366#(and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 25367#(and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base))), 25368#(and (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 25369#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base)))), 25370#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 25371#(and (not (= 0 main_~x~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 25372#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)) (not (= 0 main_~head~0.base))), 25373#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 25374#(= 1 (select |#valid| main_~x~0.base)), 25338#true, 25339#false, 25340#(= 0 (select |#valid| 0)), 25341#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 25342#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 25343#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)))] [2018-02-04 03:42:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:10,887 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:42:10,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:42:10,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1176, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:42:10,888 INFO L87 Difference]: Start difference. First operand 265 states and 280 transitions. Second operand 37 states. [2018-02-04 03:42:12,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:12,707 INFO L93 Difference]: Finished difference Result 294 states and 309 transitions. [2018-02-04 03:42:12,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:42:12,707 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 77 [2018-02-04 03:42:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:12,708 INFO L225 Difference]: With dead ends: 294 [2018-02-04 03:42:12,708 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 03:42:12,708 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=809, Invalid=4161, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:42:12,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 03:42:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 273. [2018-02-04 03:42:12,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-02-04 03:42:12,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 290 transitions. [2018-02-04 03:42:12,710 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 290 transitions. Word has length 77 [2018-02-04 03:42:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:12,710 INFO L432 AbstractCegarLoop]: Abstraction has 273 states and 290 transitions. [2018-02-04 03:42:12,710 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 03:42:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 290 transitions. [2018-02-04 03:42:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:42:12,711 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:12,711 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:12,711 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:12,711 INFO L82 PathProgramCache]: Analyzing trace with hash 715210707, now seen corresponding path program 2 times [2018-02-04 03:42:12,712 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:12,719 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:42:12,866 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:12,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:42:12,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:12,866 INFO L182 omatonBuilderFactory]: Interpolants [26016#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26017#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 26018#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 26019#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 8))), 26020#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 26021#(and (<= (+ |main_#t~mem25.offset| 12) (select |#length| |main_#t~mem25.base|)) (<= 0 (+ |main_#t~mem25.offset| 8))), 26022#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 26010#true, 26011#false, 26012#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26013#(and (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 26014#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 26015#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.base|) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:42:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:42:12,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:42:12,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:42:12,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:42:12,867 INFO L87 Difference]: Start difference. First operand 273 states and 290 transitions. Second operand 13 states. [2018-02-04 03:42:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:13,327 INFO L93 Difference]: Finished difference Result 357 states and 372 transitions. [2018-02-04 03:42:13,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:42:13,327 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 77 [2018-02-04 03:42:13,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:13,328 INFO L225 Difference]: With dead ends: 357 [2018-02-04 03:42:13,328 INFO L226 Difference]: Without dead ends: 357 [2018-02-04 03:42:13,328 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=505, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:42:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-02-04 03:42:13,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 299. [2018-02-04 03:42:13,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 03:42:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 325 transitions. [2018-02-04 03:42:13,330 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 325 transitions. Word has length 77 [2018-02-04 03:42:13,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:13,330 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 325 transitions. [2018-02-04 03:42:13,330 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:42:13,330 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-02-04 03:42:13,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:42:13,330 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:13,331 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:13,331 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:13,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1401333361, now seen corresponding path program 2 times [2018-02-04 03:42:13,331 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:13,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:13,656 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:13,656 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:42:13,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:13,656 INFO L182 omatonBuilderFactory]: Interpolants [26720#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26721#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26722#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 26723#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 26724#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 26725#(= 0 |main_#t~mem27.offset|), 26703#true, 26704#false, 26705#(= (select |#valid| main_~head~0.base) 1), 26706#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 26707#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26708#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 26709#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 26710#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26711#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26712#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 26713#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 26714#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26715#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 26716#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26717#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 26718#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 26719#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)))] [2018-02-04 03:42:13,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:13,656 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:42:13,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:42:13,657 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:42:13,657 INFO L87 Difference]: Start difference. First operand 299 states and 325 transitions. Second operand 23 states. [2018-02-04 03:42:14,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:14,270 INFO L93 Difference]: Finished difference Result 333 states and 357 transitions. [2018-02-04 03:42:14,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:42:14,270 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 77 [2018-02-04 03:42:14,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:14,271 INFO L225 Difference]: With dead ends: 333 [2018-02-04 03:42:14,271 INFO L226 Difference]: Without dead ends: 333 [2018-02-04 03:42:14,271 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=322, Invalid=1400, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:42:14,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-02-04 03:42:14,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 305. [2018-02-04 03:42:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 03:42:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 331 transitions. [2018-02-04 03:42:14,273 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 331 transitions. Word has length 77 [2018-02-04 03:42:14,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:14,273 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 331 transitions. [2018-02-04 03:42:14,273 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:42:14,273 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 331 transitions. [2018-02-04 03:42:14,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:42:14,274 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:14,274 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:14,274 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:14,274 INFO L82 PathProgramCache]: Analyzing trace with hash -725016223, now seen corresponding path program 1 times [2018-02-04 03:42:14,274 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:14,281 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:14,557 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:14,557 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:42:14,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:14,557 INFO L182 omatonBuilderFactory]: Interpolants [27424#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 27425#(= 0 |main_#t~mem27.offset|), 27402#true, 27403#false, 27404#(= 1 (select |#valid| main_~head~0.base)), 27405#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 27406#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 27407#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 27408#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 27409#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 27410#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 27411#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 27412#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 27413#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27414#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 27415#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 27416#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 27417#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 27418#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 27419#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 27420#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 27421#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 27422#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 27423#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))] [2018-02-04 03:42:14,557 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:14,558 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:42:14,558 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:42:14,558 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:42:14,558 INFO L87 Difference]: Start difference. First operand 305 states and 331 transitions. Second operand 24 states. [2018-02-04 03:42:15,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:15,322 INFO L93 Difference]: Finished difference Result 313 states and 335 transitions. [2018-02-04 03:42:15,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:42:15,322 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 78 [2018-02-04 03:42:15,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:15,323 INFO L225 Difference]: With dead ends: 313 [2018-02-04 03:42:15,323 INFO L226 Difference]: Without dead ends: 313 [2018-02-04 03:42:15,324 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=1555, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:42:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-02-04 03:42:15,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 299. [2018-02-04 03:42:15,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 03:42:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2018-02-04 03:42:15,326 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 78 [2018-02-04 03:42:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:15,327 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2018-02-04 03:42:15,327 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:42:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2018-02-04 03:42:15,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-02-04 03:42:15,327 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:15,327 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:15,328 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:15,328 INFO L82 PathProgramCache]: Analyzing trace with hash -725016222, now seen corresponding path program 1 times [2018-02-04 03:42:15,328 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:15,339 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:16,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:16,103 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:16,103 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:42:16,103 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:16,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:16,103 INFO L182 omatonBuilderFactory]: Interpolants [28096#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 28097#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 28098#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.base|) (not (= 0 main_~head~0.base))), 28099#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28100#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28101#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 28102#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 28103#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base))), 28104#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 28105#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 28106#(= (select |#valid| |main_#t~mem27.base|) 1), 28076#true, 28077#false, 28078#(not (= 0 |main_#t~malloc0.base|)), 28079#(not (= 0 main_~head~0.base)), 28080#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 28081#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 28082#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 28083#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 28084#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 28085#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 main_~head~0.base))), 28086#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28087#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 28088#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 28089#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 28090#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 28091#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28092#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 28093#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 28094#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 28095#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|)))] [2018-02-04 03:42:16,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:16,104 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:42:16,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:42:16,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:42:16,104 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 31 states. [2018-02-04 03:42:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:17,421 INFO L93 Difference]: Finished difference Result 333 states and 355 transitions. [2018-02-04 03:42:17,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:42:17,421 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 78 [2018-02-04 03:42:17,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:17,423 INFO L225 Difference]: With dead ends: 333 [2018-02-04 03:42:17,423 INFO L226 Difference]: Without dead ends: 333 [2018-02-04 03:42:17,423 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=492, Invalid=3048, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:42:17,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-02-04 03:42:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 299. [2018-02-04 03:42:17,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-02-04 03:42:17,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2018-02-04 03:42:17,425 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 78 [2018-02-04 03:42:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:17,426 INFO L432 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2018-02-04 03:42:17,426 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:42:17,426 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2018-02-04 03:42:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:42:17,426 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:17,426 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:17,426 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 122726516, now seen corresponding path program 1 times [2018-02-04 03:42:17,427 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:17,434 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:17,758 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:17,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:42:17,758 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:17,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:17,759 INFO L182 omatonBuilderFactory]: Interpolants [28800#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28801#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28802#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28803#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 28804#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 28805#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 28806#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 28807#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 28808#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28809#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 28810#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 28811#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 28812#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 28813#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 28814#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 28815#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 28816#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 28817#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 28818#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)), 28819#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 28820#(= 0 |main_#t~mem25.offset|), 28821#(= main_~x~0.offset 0), 28822#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 28797#true, 28798#false, 28799#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:42:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:17,759 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:42:17,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:42:17,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:42:17,759 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 26 states. [2018-02-04 03:42:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:18,620 INFO L93 Difference]: Finished difference Result 329 states and 351 transitions. [2018-02-04 03:42:18,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:42:18,620 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 79 [2018-02-04 03:42:18,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:18,621 INFO L225 Difference]: With dead ends: 329 [2018-02-04 03:42:18,621 INFO L226 Difference]: Without dead ends: 329 [2018-02-04 03:42:18,621 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=260, Invalid=1810, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:42:18,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-02-04 03:42:18,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 307. [2018-02-04 03:42:18,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 03:42:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 334 transitions. [2018-02-04 03:42:18,623 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 334 transitions. Word has length 79 [2018-02-04 03:42:18,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:18,623 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 334 transitions. [2018-02-04 03:42:18,624 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:42:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 334 transitions. [2018-02-04 03:42:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:42:18,624 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:18,624 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:18,624 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:18,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1938364429, now seen corresponding path program 2 times [2018-02-04 03:42:18,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:18,639 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:19,001 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:19,001 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:42:19,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:19,001 INFO L182 omatonBuilderFactory]: Interpolants [29504#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29505#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 29506#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29507#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29508#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 29509#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 29510#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base))), 29511#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29512#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 29513#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29514#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)))), 29515#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29516#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 29517#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29518#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29519#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29520#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29521#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 29522#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 29523#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29524#(= 1 (select (store |#valid| |main_#t~mem27.base| 0) main_~x~0.base)), 29525#(= 1 (select |#valid| main_~x~0.base)), 29499#true, 29500#false, 29501#(= (select |#valid| main_~head~0.base) 1), 29502#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29503#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:42:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:19,002 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:42:19,002 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:42:19,002 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:42:19,002 INFO L87 Difference]: Start difference. First operand 307 states and 334 transitions. Second operand 27 states. [2018-02-04 03:42:19,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:19,766 INFO L93 Difference]: Finished difference Result 342 states and 368 transitions. [2018-02-04 03:42:19,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:42:19,767 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 79 [2018-02-04 03:42:19,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:19,767 INFO L225 Difference]: With dead ends: 342 [2018-02-04 03:42:19,767 INFO L226 Difference]: Without dead ends: 342 [2018-02-04 03:42:19,768 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 473 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:42:19,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2018-02-04 03:42:19,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 315. [2018-02-04 03:42:19,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 03:42:19,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 342 transitions. [2018-02-04 03:42:19,769 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 342 transitions. Word has length 79 [2018-02-04 03:42:19,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:19,770 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 342 transitions. [2018-02-04 03:42:19,770 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:42:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 342 transitions. [2018-02-04 03:42:19,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:42:19,770 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:19,770 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:19,770 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:19,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1551059339, now seen corresponding path program 6 times [2018-02-04 03:42:19,771 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:19,780 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:20,308 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:42:20,308 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:20,308 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:42:20,309 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:20,309 INFO L182 omatonBuilderFactory]: Interpolants [30219#true, 30220#false, 30221#(= 1 (select |#valid| main_~head~0.base)), 30222#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30223#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30224#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30225#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 30226#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 30227#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30228#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30229#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 30230#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30231#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 30232#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30233#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 30234#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 30235#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 30236#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (or (= |main_#t~malloc5.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))))), 30237#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 30238#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 30239#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 30240#(and (or (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 30241#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 30242#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)))), 30243#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30244#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 30245#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30246#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 30247#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 30248#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 30249#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30250#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem19|))), 30251#(= 1 (select |#valid| |main_#t~mem20.base|)), 30252#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:42:20,309 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:42:20,309 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:42:20,309 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=984, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:42:20,310 INFO L87 Difference]: Start difference. First operand 315 states and 342 transitions. Second operand 34 states. [2018-02-04 03:42:21,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:21,649 INFO L93 Difference]: Finished difference Result 316 states and 341 transitions. [2018-02-04 03:42:21,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:42:21,649 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 79 [2018-02-04 03:42:21,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:21,650 INFO L225 Difference]: With dead ends: 316 [2018-02-04 03:42:21,650 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 03:42:21,651 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=752, Invalid=3804, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:42:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 03:42:21,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 315. [2018-02-04 03:42:21,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 03:42:21,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 341 transitions. [2018-02-04 03:42:21,654 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 341 transitions. Word has length 79 [2018-02-04 03:42:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:21,654 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 341 transitions. [2018-02-04 03:42:21,654 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:42:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 341 transitions. [2018-02-04 03:42:21,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:42:21,655 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:21,655 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:21,655 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:21,655 INFO L82 PathProgramCache]: Analyzing trace with hash 866638514, now seen corresponding path program 3 times [2018-02-04 03:42:21,655 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:21,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:42:22,149 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:22,149 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:42:22,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:22,150 INFO L182 omatonBuilderFactory]: Interpolants [30976#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30977#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 30978#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30979#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 30980#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 30981#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 30982#(= 1 (select |#valid| |main_#t~mem22.base|)), 30983#(= 1 (select |#valid| main_~x~0.base)), 30952#true, 30953#false, 30954#(= (select |#valid| main_~head~0.base) 1), 30955#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 30956#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30957#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30958#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 30959#(and (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 30960#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 30961#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 30962#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1)), 30963#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30964#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 30965#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 30966#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1)), 30967#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 30968#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 30969#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (or (= |main_#t~malloc5.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))))), 30970#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 30971#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base |main_#t~mem7.base|))), 30972#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))))), 30973#(and (or (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1)), 30974#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 30975#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:42:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:42:22,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:42:22,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:42:22,150 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=860, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:42:22,151 INFO L87 Difference]: Start difference. First operand 315 states and 341 transitions. Second operand 32 states. [2018-02-04 03:42:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:23,312 INFO L93 Difference]: Finished difference Result 316 states and 340 transitions. [2018-02-04 03:42:23,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:42:23,312 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 79 [2018-02-04 03:42:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:23,313 INFO L225 Difference]: With dead ends: 316 [2018-02-04 03:42:23,313 INFO L226 Difference]: Without dead ends: 316 [2018-02-04 03:42:23,313 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=684, Invalid=3222, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:42:23,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2018-02-04 03:42:23,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 307. [2018-02-04 03:42:23,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 03:42:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 332 transitions. [2018-02-04 03:42:23,315 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 332 transitions. Word has length 79 [2018-02-04 03:42:23,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:23,315 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 332 transitions. [2018-02-04 03:42:23,315 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:42:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 332 transitions. [2018-02-04 03:42:23,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:42:23,316 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:23,316 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:23,316 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:23,316 INFO L82 PathProgramCache]: Analyzing trace with hash -955881757, now seen corresponding path program 1 times [2018-02-04 03:42:23,316 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:23,324 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:23,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:23,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:42:23,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:23,656 INFO L182 omatonBuilderFactory]: Interpolants [31680#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 31681#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 31682#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 31683#(not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 31684#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 31685#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 31686#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 31687#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 31688#(not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 31689#(not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))), 31690#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 31691#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 31692#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem27.base|))), 31693#(= 1 (select |#valid| main_~x~0.base)), 31669#true, 31670#false, 31671#(= 1 (select |#valid| main_~head~0.base)), 31672#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31673#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31674#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31675#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 31676#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 31677#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 31678#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 31679#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:42:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:23,656 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:42:23,656 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:42:23,656 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:42:23,656 INFO L87 Difference]: Start difference. First operand 307 states and 332 transitions. Second operand 25 states. [2018-02-04 03:42:24,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:24,441 INFO L93 Difference]: Finished difference Result 313 states and 336 transitions. [2018-02-04 03:42:24,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:42:24,441 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 80 [2018-02-04 03:42:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:24,442 INFO L225 Difference]: With dead ends: 313 [2018-02-04 03:42:24,442 INFO L226 Difference]: Without dead ends: 313 [2018-02-04 03:42:24,442 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=342, Invalid=1820, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:42:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-02-04 03:42:24,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 301. [2018-02-04 03:42:24,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-02-04 03:42:24,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 326 transitions. [2018-02-04 03:42:24,444 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 326 transitions. Word has length 80 [2018-02-04 03:42:24,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:24,444 INFO L432 AbstractCegarLoop]: Abstraction has 301 states and 326 transitions. [2018-02-04 03:42:24,445 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:42:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 326 transitions. [2018-02-04 03:42:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:42:24,445 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:24,445 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:24,445 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1976069460, now seen corresponding path program 2 times [2018-02-04 03:42:24,446 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:24,453 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:24,754 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:24,754 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:42:24,754 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:24,755 INFO L182 omatonBuilderFactory]: Interpolants [32352#true, 32353#false, 32354#(= 1 (select |#valid| main_~head~0.base)), 32355#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 32356#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 32357#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 32358#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 32359#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 32360#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32361#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 32362#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 32363#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 32364#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 32365#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 32366#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 32367#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 32368#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 32369#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 32370#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 32371#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 32372#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 32373#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)), 32374#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 32375#(= 0 |main_#t~mem25.offset|), 32376#(= 0 main_~x~0.offset), 32377#(= main_~head~0.offset 0)] [2018-02-04 03:42:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:24,755 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:42:24,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:42:24,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:42:24,755 INFO L87 Difference]: Start difference. First operand 301 states and 326 transitions. Second operand 26 states. [2018-02-04 03:42:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:25,691 INFO L93 Difference]: Finished difference Result 321 states and 340 transitions. [2018-02-04 03:42:25,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 03:42:25,691 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 81 [2018-02-04 03:42:25,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:25,692 INFO L225 Difference]: With dead ends: 321 [2018-02-04 03:42:25,692 INFO L226 Difference]: Without dead ends: 321 [2018-02-04 03:42:25,692 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=262, Invalid=1900, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:42:25,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-02-04 03:42:25,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 300. [2018-02-04 03:42:25,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2018-02-04 03:42:25,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 325 transitions. [2018-02-04 03:42:25,695 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 325 transitions. Word has length 81 [2018-02-04 03:42:25,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:25,695 INFO L432 AbstractCegarLoop]: Abstraction has 300 states and 325 transitions. [2018-02-04 03:42:25,695 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:42:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 325 transitions. [2018-02-04 03:42:25,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:42:25,695 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:25,695 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:25,695 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:25,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1247595955, now seen corresponding path program 2 times [2018-02-04 03:42:25,696 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:25,705 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:26,218 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:26,218 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:26,219 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:42:26,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:26,219 INFO L182 omatonBuilderFactory]: Interpolants [33041#true, 33042#false, 33043#(= 0 |main_#t~malloc0.offset|), 33044#(= main_~head~0.offset 0), 33045#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 33046#(and (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 33047#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 33048#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 33049#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 33050#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 33051#(and (not (= main_~head~0.base |main_#t~mem9.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 33052#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8) 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 33053#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 33054#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 33055#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 33056#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 33057#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 33058#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))), 33059#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 33060#(and (not (= |main_#t~mem14.base| main_~head~0.base)) (not (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 33061#(and (not (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 33062#(not (= 1 (select (select (store |#memory_int| |main_#t~mem16.base| (store (select |#memory_int| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 8) 2)) main_~head~0.base) (+ main_~head~0.offset 8)))), 33063#(not (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 8)))), 33064#(and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 33065#(not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))), 33066#(not (= 1 |main_#t~mem24|))] [2018-02-04 03:42:26,219 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:26,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:42:26,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:42:26,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:42:26,220 INFO L87 Difference]: Start difference. First operand 300 states and 325 transitions. Second operand 26 states. [2018-02-04 03:42:26,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:26,911 INFO L93 Difference]: Finished difference Result 318 states and 339 transitions. [2018-02-04 03:42:26,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:42:26,911 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 81 [2018-02-04 03:42:26,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:26,912 INFO L225 Difference]: With dead ends: 318 [2018-02-04 03:42:26,912 INFO L226 Difference]: Without dead ends: 304 [2018-02-04 03:42:26,912 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=567, Invalid=1983, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 03:42:26,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2018-02-04 03:42:26,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 280. [2018-02-04 03:42:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-02-04 03:42:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 300 transitions. [2018-02-04 03:42:26,914 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 300 transitions. Word has length 81 [2018-02-04 03:42:26,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:26,914 INFO L432 AbstractCegarLoop]: Abstraction has 280 states and 300 transitions. [2018-02-04 03:42:26,914 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:42:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 300 transitions. [2018-02-04 03:42:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:42:26,915 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:26,915 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:26,915 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:26,915 INFO L82 PathProgramCache]: Analyzing trace with hash 520638627, now seen corresponding path program 1 times [2018-02-04 03:42:26,915 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:26,924 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:28,512 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:28,512 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:42:28,512 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:28,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:28,513 INFO L182 omatonBuilderFactory]: Interpolants [33728#(and (not (= 0 |main_#t~malloc12.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= (store (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) 0) |main_#t~malloc12.base| 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 33729#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33730#(and (= (store (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 33731#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33732#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33733#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 33734#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 33735#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (not (= 0 |main_#t~mem19|))), 33736#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33737#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |old(#valid)| (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 33738#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (= (store (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0) |old(#valid)|) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 33739#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= |old(#valid)| (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 33740#(and (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 |main_#t~mem25.base|)) (= (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem25.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|) 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~mem25.base|)) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base))), 33741#(and (= (store (store (store |#valid| main_~head~0.base 0) main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 33742#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 33743#(and (= |old(#valid)| (store (store |#valid| |main_#t~mem27.base| 0) main_~x~0.base 0)) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem27.base|)) (not (= 0 |main_#t~mem27.base|))), 33744#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 33715#true, 33716#false, 33717#(= |#valid| |old(#valid)|), 33718#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 33719#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 33720#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 33721#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 33722#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc5.base| 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 33723#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 33724#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= |old(#valid)| (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) 0))), 33725#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 33726#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 33727#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:42:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:28,513 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:42:28,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:42:28,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:42:28,513 INFO L87 Difference]: Start difference. First operand 280 states and 300 transitions. Second operand 30 states. [2018-02-04 03:42:30,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:30,097 INFO L93 Difference]: Finished difference Result 282 states and 301 transitions. [2018-02-04 03:42:30,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:42:30,097 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 82 [2018-02-04 03:42:30,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:30,097 INFO L225 Difference]: With dead ends: 282 [2018-02-04 03:42:30,098 INFO L226 Difference]: Without dead ends: 272 [2018-02-04 03:42:30,098 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 11 SyntacticMatches, 7 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=225, Invalid=2127, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 03:42:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-02-04 03:42:30,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2018-02-04 03:42:30,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-02-04 03:42:30,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 291 transitions. [2018-02-04 03:42:30,099 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 291 transitions. Word has length 82 [2018-02-04 03:42:30,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:30,100 INFO L432 AbstractCegarLoop]: Abstraction has 272 states and 291 transitions. [2018-02-04 03:42:30,100 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:42:30,100 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 291 transitions. [2018-02-04 03:42:30,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:42:30,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:30,100 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:30,100 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:30,100 INFO L82 PathProgramCache]: Analyzing trace with hash 627211350, now seen corresponding path program 3 times [2018-02-04 03:42:30,101 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:30,114 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:42:30,327 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:30,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:42:30,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:30,327 INFO L182 omatonBuilderFactory]: Interpolants [34337#true, 34338#false, 34339#(= 0 |main_#t~malloc0.offset|), 34340#(= main_~head~0.offset 0), 34341#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 34342#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|) (= main_~head~0.offset 0)), 34343#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 34344#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem18|)) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 34345#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= main_~x~0.offset 0))), 34346#(and (= main_~head~0.offset 0) (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 34347#(or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))), 34348#(or (= 1 (select (select |#memory_int| |main_#t~mem25.base|) (+ 0 8))) (not (= |main_#t~mem25.offset| 0))), 34349#(or (not (= main_~x~0.offset 0)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))), 34350#(or (not (= main_~x~0.offset 0)) (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem24| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 34351#(or (<= (+ main_~x~0.offset 1) 0) (not (= main_~head~0.offset 0))), 34352#(not (= main_~head~0.offset 0))] [2018-02-04 03:42:30,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-02-04 03:42:30,328 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:42:30,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:42:30,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:42:30,328 INFO L87 Difference]: Start difference. First operand 272 states and 291 transitions. Second operand 16 states. [2018-02-04 03:42:30,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:30,658 INFO L93 Difference]: Finished difference Result 286 states and 292 transitions. [2018-02-04 03:42:30,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:42:30,658 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 83 [2018-02-04 03:42:30,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:30,659 INFO L225 Difference]: With dead ends: 286 [2018-02-04 03:42:30,659 INFO L226 Difference]: Without dead ends: 239 [2018-02-04 03:42:30,659 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=768, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:42:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-02-04 03:42:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 212. [2018-02-04 03:42:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-02-04 03:42:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 224 transitions. [2018-02-04 03:42:30,661 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 224 transitions. Word has length 83 [2018-02-04 03:42:30,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:30,661 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 224 transitions. [2018-02-04 03:42:30,661 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:42:30,661 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2018-02-04 03:42:30,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:42:30,661 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:30,661 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:30,661 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:30,661 INFO L82 PathProgramCache]: Analyzing trace with hash 167876255, now seen corresponding path program 7 times [2018-02-04 03:42:30,662 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:30,676 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:31,248 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:31,248 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:31,248 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:42:31,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:31,249 INFO L182 omatonBuilderFactory]: Interpolants [34881#true, 34882#false, 34883#(= 1 (select |#valid| main_~head~0.base)), 34884#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 34885#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 34886#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 34887#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 34888#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 34889#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34890#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 34891#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 34892#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 34893#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 34894#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 34895#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34896#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 34897#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 34898#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 34899#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 34900#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 34901#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 34902#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 34903#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 34904#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 34905#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 34906#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 34907#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 34908#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 34909#(= 1 (select |#valid| |main_#t~mem20.base|)), 34910#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:31,249 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:42:31,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:42:31,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:42:31,250 INFO L87 Difference]: Start difference. First operand 212 states and 224 transitions. Second operand 30 states. [2018-02-04 03:42:32,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:32,659 INFO L93 Difference]: Finished difference Result 267 states and 280 transitions. [2018-02-04 03:42:32,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:42:32,659 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-02-04 03:42:32,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:32,660 INFO L225 Difference]: With dead ends: 267 [2018-02-04 03:42:32,660 INFO L226 Difference]: Without dead ends: 267 [2018-02-04 03:42:32,660 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=417, Invalid=2889, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 03:42:32,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-02-04 03:42:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 220. [2018-02-04 03:42:32,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-02-04 03:42:32,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 233 transitions. [2018-02-04 03:42:32,663 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 233 transitions. Word has length 83 [2018-02-04 03:42:32,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:32,663 INFO L432 AbstractCegarLoop]: Abstraction has 220 states and 233 transitions. [2018-02-04 03:42:32,663 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:42:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 233 transitions. [2018-02-04 03:42:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:42:32,664 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:32,664 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:32,664 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash 167876256, now seen corresponding path program 5 times [2018-02-04 03:42:32,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:32,674 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:33,355 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:33,355 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:33,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:42:33,356 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:33,356 INFO L182 omatonBuilderFactory]: Interpolants [35456#(= 1 (select |#valid| main_~head~0.base)), 35457#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35458#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35459#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35460#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 35461#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 35462#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35463#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 35464#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 35465#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35466#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 35467#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 35468#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 35469#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 35470#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc12.base|))), 35471#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 35472#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 35473#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 35474#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 35475#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35476#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 35477#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 35478#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 35479#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 35480#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 35481#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 35482#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 35483#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 35454#true, 35455#false] [2018-02-04 03:42:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:33,356 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:42:33,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:42:33,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:42:33,357 INFO L87 Difference]: Start difference. First operand 220 states and 233 transitions. Second operand 30 states. [2018-02-04 03:42:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:34,890 INFO L93 Difference]: Finished difference Result 303 states and 320 transitions. [2018-02-04 03:42:34,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:42:34,890 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-02-04 03:42:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:34,891 INFO L225 Difference]: With dead ends: 303 [2018-02-04 03:42:34,891 INFO L226 Difference]: Without dead ends: 303 [2018-02-04 03:42:34,891 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=260, Invalid=2392, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:42:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-02-04 03:42:34,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 221. [2018-02-04 03:42:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-02-04 03:42:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 234 transitions. [2018-02-04 03:42:34,893 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 234 transitions. Word has length 83 [2018-02-04 03:42:34,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:34,893 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 234 transitions. [2018-02-04 03:42:34,893 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:42:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 234 transitions. [2018-02-04 03:42:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:42:34,893 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:34,893 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:34,893 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1709393188, now seen corresponding path program 4 times [2018-02-04 03:42:34,894 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:34,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:35,432 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:35,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:35,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:42:35,432 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:35,433 INFO L182 omatonBuilderFactory]: Interpolants [36052#true, 36053#false, 36054#(= 1 (select |#valid| main_~head~0.base)), 36055#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36056#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36057#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36058#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 36059#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 36060#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 36061#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 36062#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 36063#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 36064#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 36065#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 36066#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36067#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 36068#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))), 36069#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36070#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 36071#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 36072#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 36073#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 36074#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 36075#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 36076#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 36077#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 36078#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 36079#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 36080#(= 1 (select |#valid| |main_#t~mem22.base|)), 36081#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:35,433 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:35,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:42:35,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:42:35,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:42:35,433 INFO L87 Difference]: Start difference. First operand 221 states and 234 transitions. Second operand 30 states. [2018-02-04 03:42:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:36,921 INFO L93 Difference]: Finished difference Result 280 states and 294 transitions. [2018-02-04 03:42:36,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 03:42:36,952 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-02-04 03:42:36,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:36,952 INFO L225 Difference]: With dead ends: 280 [2018-02-04 03:42:36,952 INFO L226 Difference]: Without dead ends: 280 [2018-02-04 03:42:36,952 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 813 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=456, Invalid=3204, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 03:42:36,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-02-04 03:42:36,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 229. [2018-02-04 03:42:36,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-02-04 03:42:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 243 transitions. [2018-02-04 03:42:36,954 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 243 transitions. Word has length 83 [2018-02-04 03:42:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:36,954 INFO L432 AbstractCegarLoop]: Abstraction has 229 states and 243 transitions. [2018-02-04 03:42:36,954 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:42:36,954 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 243 transitions. [2018-02-04 03:42:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-02-04 03:42:36,954 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:36,955 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:36,955 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:36,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1709393187, now seen corresponding path program 3 times [2018-02-04 03:42:36,955 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:36,965 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:37,598 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:37,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:42:37,598 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:37,598 INFO L182 omatonBuilderFactory]: Interpolants [36672#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 36673#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 36674#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 36675#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 36676#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 36677#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 36678#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 36679#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 36680#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 36681#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 36682#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 36653#true, 36654#false, 36655#(= 1 (select |#valid| main_~head~0.base)), 36656#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36657#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36658#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 36659#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 36660#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 36661#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 36662#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 36663#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 36664#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 36665#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 36666#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 36667#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 36668#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 36669#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc12.base|))), 36670#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 36671#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)))] [2018-02-04 03:42:37,598 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:37,599 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:42:37,599 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:42:37,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:42:37,599 INFO L87 Difference]: Start difference. First operand 229 states and 243 transitions. Second operand 30 states. [2018-02-04 03:42:39,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:39,089 INFO L93 Difference]: Finished difference Result 306 states and 323 transitions. [2018-02-04 03:42:39,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:42:39,089 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 83 [2018-02-04 03:42:39,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:39,090 INFO L225 Difference]: With dead ends: 306 [2018-02-04 03:42:39,090 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 03:42:39,090 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=260, Invalid=2392, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:42:39,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 03:42:39,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 229. [2018-02-04 03:42:39,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-02-04 03:42:39,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 242 transitions. [2018-02-04 03:42:39,092 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 242 transitions. Word has length 83 [2018-02-04 03:42:39,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:39,092 INFO L432 AbstractCegarLoop]: Abstraction has 229 states and 242 transitions. [2018-02-04 03:42:39,092 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:42:39,092 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 242 transitions. [2018-02-04 03:42:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:42:39,093 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:39,093 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:39,093 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:39,093 INFO L82 PathProgramCache]: Analyzing trace with hash -138790556, now seen corresponding path program 4 times [2018-02-04 03:42:39,093 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:39,101 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:39,558 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:39,558 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:42:39,558 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:39,558 INFO L182 omatonBuilderFactory]: Interpolants [37262#true, 37263#false, 37264#(not (= 0 |main_#t~malloc0.base|)), 37265#(not (= 0 main_~head~0.base)), 37266#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 37267#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37268#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37269#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37270#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 37271#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 37272#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 37273#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 37274#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 37275#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 37276#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37277#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 37278#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37279#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 37280#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37281#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 37282#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37283#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 37284#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 37285#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base)), 37286#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 37287#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base))), 37288#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.base|) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 37289#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 37290#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 37291#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 37292#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 37293#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 37294#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)) (not (= 0 main_~head~0.base))), 37295#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 37296#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:39,559 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:42:39,559 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:42:39,559 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=1019, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:42:39,559 INFO L87 Difference]: Start difference. First operand 229 states and 242 transitions. Second operand 35 states. [2018-02-04 03:42:40,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:40,753 INFO L93 Difference]: Finished difference Result 255 states and 267 transitions. [2018-02-04 03:42:40,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:42:40,753 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 85 [2018-02-04 03:42:40,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:40,754 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:42:40,754 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:42:40,755 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=889, Invalid=3533, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:42:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:42:40,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 231. [2018-02-04 03:42:40,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 03:42:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 244 transitions. [2018-02-04 03:42:40,756 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 244 transitions. Word has length 85 [2018-02-04 03:42:40,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:40,757 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 244 transitions. [2018-02-04 03:42:40,757 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:42:40,757 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 244 transitions. [2018-02-04 03:42:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:42:40,757 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:40,757 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:40,758 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash -138790555, now seen corresponding path program 3 times [2018-02-04 03:42:40,758 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:40,766 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:42:40,844 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:40,844 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:42:40,844 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:40,844 INFO L182 omatonBuilderFactory]: Interpolants [37856#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 37847#true, 37848#false, 37849#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 37850#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|)), 37851#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 37852#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base))), 37853#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 37854#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37855#(and (<= (+ |main_#t~mem25.offset| 12) (select |#length| |main_#t~mem25.base|)) (<= 0 |main_#t~mem25.offset|))] [2018-02-04 03:42:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:42:40,845 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:42:40,845 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:42:40,845 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:42:40,845 INFO L87 Difference]: Start difference. First operand 231 states and 244 transitions. Second operand 10 states. [2018-02-04 03:42:41,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:41,060 INFO L93 Difference]: Finished difference Result 255 states and 265 transitions. [2018-02-04 03:42:41,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:42:41,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-02-04 03:42:41,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:41,060 INFO L225 Difference]: With dead ends: 255 [2018-02-04 03:42:41,061 INFO L226 Difference]: Without dead ends: 255 [2018-02-04 03:42:41,061 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:42:41,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-02-04 03:42:41,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 238. [2018-02-04 03:42:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-02-04 03:42:41,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 249 transitions. [2018-02-04 03:42:41,062 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 249 transitions. Word has length 85 [2018-02-04 03:42:41,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:41,062 INFO L432 AbstractCegarLoop]: Abstraction has 238 states and 249 transitions. [2018-02-04 03:42:41,062 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:42:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 249 transitions. [2018-02-04 03:42:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:42:41,063 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:41,063 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:41,063 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:41,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2042424487, now seen corresponding path program 8 times [2018-02-04 03:42:41,063 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:41,075 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:41,889 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:41,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:42:41,889 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:41,889 INFO L182 omatonBuilderFactory]: Interpolants [38362#true, 38363#false, 38364#(= 1 (select |#valid| main_~head~0.base)), 38365#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 38366#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 38367#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 38368#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 38369#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 38370#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38371#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 38372#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 38373#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 38374#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 38375#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 38376#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38377#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38378#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base))), 38379#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38380#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|))), 38381#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38382#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38383#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38384#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38385#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 38386#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38387#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 38388#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38389#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 38390#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 38391#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 38392#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 38393#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 38394#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 38395#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 38396#(= 1 (select |#valid| |main_#t~mem20.base|)), 38397#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:42:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:41,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:42:41,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:42:41,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:42:41,890 INFO L87 Difference]: Start difference. First operand 238 states and 249 transitions. Second operand 36 states. [2018-02-04 03:42:43,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:43,739 INFO L93 Difference]: Finished difference Result 343 states and 359 transitions. [2018-02-04 03:42:43,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:42:43,739 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 88 [2018-02-04 03:42:43,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:43,740 INFO L225 Difference]: With dead ends: 343 [2018-02-04 03:42:43,740 INFO L226 Difference]: Without dead ends: 343 [2018-02-04 03:42:43,740 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=634, Invalid=4622, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 03:42:43,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-02-04 03:42:43,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 284. [2018-02-04 03:42:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-02-04 03:42:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 298 transitions. [2018-02-04 03:42:43,742 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 298 transitions. Word has length 88 [2018-02-04 03:42:43,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:43,742 INFO L432 AbstractCegarLoop]: Abstraction has 284 states and 298 transitions. [2018-02-04 03:42:43,742 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:42:43,742 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 298 transitions. [2018-02-04 03:42:43,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:42:43,742 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:43,742 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:43,743 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:43,743 INFO L82 PathProgramCache]: Analyzing trace with hash 2042424488, now seen corresponding path program 6 times [2018-02-04 03:42:43,743 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:43,757 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:44,706 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:44,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:42:44,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:44,707 INFO L182 omatonBuilderFactory]: Interpolants [39104#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39105#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 39106#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 39107#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39108#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39109#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 39110#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39111#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 39112#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 39113#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39114#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39115#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 39116#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 39117#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 39118#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 39119#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 39120#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 39121#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 39122#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 39123#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39124#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 39125#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39126#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 39127#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39128#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 39129#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 39130#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 39131#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 39132#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 39133#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 39134#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 39099#true, 39100#false, 39101#(= 1 (select |#valid| main_~head~0.base)), 39102#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39103#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:42:44,707 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:44,707 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:42:44,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:42:44,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1134, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:42:44,708 INFO L87 Difference]: Start difference. First operand 284 states and 298 transitions. Second operand 36 states. [2018-02-04 03:42:46,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:46,998 INFO L93 Difference]: Finished difference Result 376 states and 394 transitions. [2018-02-04 03:42:46,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:42:46,998 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 88 [2018-02-04 03:42:46,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:46,999 INFO L225 Difference]: With dead ends: 376 [2018-02-04 03:42:46,999 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 03:42:46,999 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1039 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=480, Invalid=3942, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:42:46,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 03:42:47,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 276. [2018-02-04 03:42:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-02-04 03:42:47,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 289 transitions. [2018-02-04 03:42:47,001 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 289 transitions. Word has length 88 [2018-02-04 03:42:47,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:47,001 INFO L432 AbstractCegarLoop]: Abstraction has 276 states and 289 transitions. [2018-02-04 03:42:47,001 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:42:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 289 transitions. [2018-02-04 03:42:47,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:42:47,002 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:47,002 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:47,002 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:47,002 INFO L82 PathProgramCache]: Analyzing trace with hash 165155044, now seen corresponding path program 5 times [2018-02-04 03:42:47,002 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:47,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:47,805 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:47,805 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:42:47,805 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:47,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:47,805 INFO L182 omatonBuilderFactory]: Interpolants [39872#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 39873#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39874#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 39875#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39876#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39877#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39878#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 39879#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 39880#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 39881#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 39882#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 39883#(= 1 (select |#valid| |main_#t~mem22.base|)), 39884#(= 1 (select |#valid| main_~x~0.base)), 39849#true, 39850#false, 39851#(= 1 (select |#valid| main_~head~0.base)), 39852#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39853#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39854#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 39855#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 39856#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 39857#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39858#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 39859#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 39860#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39861#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 39862#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 39863#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39864#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39865#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base))), 39866#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39867#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|))), 39868#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 39869#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39870#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 39871#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-02-04 03:42:47,806 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:47,806 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:42:47,806 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:42:47,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1136, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:42:47,806 INFO L87 Difference]: Start difference. First operand 276 states and 289 transitions. Second operand 36 states. [2018-02-04 03:42:49,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:49,589 INFO L93 Difference]: Finished difference Result 341 states and 355 transitions. [2018-02-04 03:42:49,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:42:49,589 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 88 [2018-02-04 03:42:49,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:49,590 INFO L225 Difference]: With dead ends: 341 [2018-02-04 03:42:49,590 INFO L226 Difference]: Without dead ends: 341 [2018-02-04 03:42:49,590 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=634, Invalid=4622, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 03:42:49,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-02-04 03:42:49,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 284. [2018-02-04 03:42:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-02-04 03:42:49,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 298 transitions. [2018-02-04 03:42:49,592 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 298 transitions. Word has length 88 [2018-02-04 03:42:49,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:49,592 INFO L432 AbstractCegarLoop]: Abstraction has 284 states and 298 transitions. [2018-02-04 03:42:49,592 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:42:49,592 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 298 transitions. [2018-02-04 03:42:49,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:42:49,593 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:49,593 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:49,593 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:49,593 INFO L82 PathProgramCache]: Analyzing trace with hash 165155045, now seen corresponding path program 4 times [2018-02-04 03:42:49,593 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:49,633 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:50,541 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:50,541 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:42:50,541 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:50,541 INFO L182 omatonBuilderFactory]: Interpolants [40584#true, 40585#false, 40586#(= 1 (select |#valid| main_~head~0.base)), 40587#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40588#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40589#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40590#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 40591#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 40592#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40593#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 40594#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 40595#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40596#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 40597#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 40598#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40599#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 40600#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 40601#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 40602#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 40603#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 40604#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 40605#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 40606#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 40607#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 40608#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40609#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 40610#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40611#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 40612#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 40613#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 40614#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 40615#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 40616#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 40617#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 40618#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 40619#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:42:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:50,542 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:42:50,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:42:50,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1134, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:42:50,542 INFO L87 Difference]: Start difference. First operand 284 states and 298 transitions. Second operand 36 states. [2018-02-04 03:42:52,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:52,605 INFO L93 Difference]: Finished difference Result 361 states and 376 transitions. [2018-02-04 03:42:52,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:42:52,605 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 88 [2018-02-04 03:42:52,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:52,606 INFO L225 Difference]: With dead ends: 361 [2018-02-04 03:42:52,606 INFO L226 Difference]: Without dead ends: 361 [2018-02-04 03:42:52,606 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1038 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=480, Invalid=3942, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:42:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-02-04 03:42:52,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 276. [2018-02-04 03:42:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-02-04 03:42:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 289 transitions. [2018-02-04 03:42:52,608 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 289 transitions. Word has length 88 [2018-02-04 03:42:52,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:52,608 INFO L432 AbstractCegarLoop]: Abstraction has 276 states and 289 transitions. [2018-02-04 03:42:52,608 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:42:52,608 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 289 transitions. [2018-02-04 03:42:52,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:42:52,608 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:52,609 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:52,609 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:52,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1278849562, now seen corresponding path program 3 times [2018-02-04 03:42:52,609 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:52,618 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:52,987 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:53,000 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:42:53,000 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:53,000 INFO L182 omatonBuilderFactory]: Interpolants [41344#(= 0 main_~x~0.offset), 41345#(= main_~head~0.offset 0), 41319#true, 41320#false, 41321#(= 1 (select |#valid| main_~head~0.base)), 41322#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 41323#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 41324#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 41325#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 41326#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41327#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41328#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41329#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))), 41330#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41331#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 41332#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41333#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))), 41334#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41335#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 41336#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41337#(and (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 41338#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 41339#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 41340#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 41341#(or (not (= 0 |main_#t~mem19|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 41342#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 41343#(= 0 |main_#t~mem25.offset|)] [2018-02-04 03:42:53,001 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:42:53,001 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:42:53,001 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:42:53,001 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:42:53,001 INFO L87 Difference]: Start difference. First operand 276 states and 289 transitions. Second operand 27 states. [2018-02-04 03:42:53,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:53,777 INFO L93 Difference]: Finished difference Result 287 states and 298 transitions. [2018-02-04 03:42:53,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:42:53,778 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 89 [2018-02-04 03:42:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:53,778 INFO L225 Difference]: With dead ends: 287 [2018-02-04 03:42:53,778 INFO L226 Difference]: Without dead ends: 284 [2018-02-04 03:42:53,779 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=357, Invalid=1805, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:42:53,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-02-04 03:42:53,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 278. [2018-02-04 03:42:53,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-02-04 03:42:53,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 293 transitions. [2018-02-04 03:42:53,780 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 293 transitions. Word has length 89 [2018-02-04 03:42:53,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:53,780 INFO L432 AbstractCegarLoop]: Abstraction has 278 states and 293 transitions. [2018-02-04 03:42:53,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:42:53,781 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 293 transitions. [2018-02-04 03:42:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:42:53,781 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:53,781 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:53,781 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1825610685, now seen corresponding path program 9 times [2018-02-04 03:42:53,782 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:53,793 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:54,581 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:54,581 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:42:54,581 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:54,581 INFO L182 omatonBuilderFactory]: Interpolants [41984#(<= (+ main_~x~0.offset 1) 0), 41951#true, 41952#false, 41953#(= 0 |main_#t~malloc0.offset|), 41954#(= main_~head~0.offset 0), 41955#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 41956#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 41957#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 41958#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 41959#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 41960#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 41961#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 41962#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 41963#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 41964#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 41965#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 41966#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.offset|) (= main_~head~0.offset 0)), 41967#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 41968#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 41969#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 41970#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41971#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 41972#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem16.offset| 0) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 41973#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 41974#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 41975#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 41976#(or (not (= 0 |main_#t~mem19|)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 41977#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (+ 0 8)) 2)), 41978#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)), 41979#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 41980#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 41981#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 41982#(or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2))), 41983#(or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset 0) (= |main_#t~mem19| 2)))] [2018-02-04 03:42:54,582 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:54,582 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:42:54,582 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:42:54,582 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1016, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:42:54,582 INFO L87 Difference]: Start difference. First operand 278 states and 293 transitions. Second operand 34 states. [2018-02-04 03:42:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:56,468 INFO L93 Difference]: Finished difference Result 348 states and 363 transitions. [2018-02-04 03:42:56,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:42:56,468 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 92 [2018-02-04 03:42:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:56,469 INFO L225 Difference]: With dead ends: 348 [2018-02-04 03:42:56,469 INFO L226 Difference]: Without dead ends: 343 [2018-02-04 03:42:56,469 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=513, Invalid=3909, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:42:56,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-02-04 03:42:56,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 287. [2018-02-04 03:42:56,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-02-04 03:42:56,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 302 transitions. [2018-02-04 03:42:56,471 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 302 transitions. Word has length 92 [2018-02-04 03:42:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:56,471 INFO L432 AbstractCegarLoop]: Abstraction has 287 states and 302 transitions. [2018-02-04 03:42:56,471 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:42:56,471 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 302 transitions. [2018-02-04 03:42:56,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:42:56,471 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:56,472 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:56,472 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:56,472 INFO L82 PathProgramCache]: Analyzing trace with hash -51658758, now seen corresponding path program 6 times [2018-02-04 03:42:56,472 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:56,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:57,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:57,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:42:57,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:57,273 INFO L182 omatonBuilderFactory]: Interpolants [42688#(= 0 |main_#t~malloc0.offset|), 42689#(= main_~head~0.offset 0), 42690#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 42691#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 42692#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 42693#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 42694#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 42695#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 42696#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 42697#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 42698#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 42699#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 42700#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 42701#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.offset|) (= main_~head~0.offset 0)), 42702#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 42703#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 42704#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 42705#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 42706#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 42707#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem16.offset| 0) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 42708#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (+ main_~head~0.offset 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 42709#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 42710#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42711#(or (not (= 0 |main_#t~mem19|)) (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 42712#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (+ 0 8)) 2)), 42713#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ 0 8)) 2)), 42714#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 42715#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 42716#(and (= 0 |main_#t~mem20.offset|) (= (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 8)) 2)), 42717#(or (<= (+ main_~x~0.offset 1) 0) (and (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2))), 42718#(or (and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)) 2)) (<= (+ main_~x~0.offset 1) 0)), 42719#(<= (+ main_~x~0.offset 1) 0), 42686#true, 42687#false] [2018-02-04 03:42:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:57,273 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:42:57,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:42:57,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1015, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:42:57,273 INFO L87 Difference]: Start difference. First operand 287 states and 302 transitions. Second operand 34 states. [2018-02-04 03:42:59,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:42:59,042 INFO L93 Difference]: Finished difference Result 338 states and 352 transitions. [2018-02-04 03:42:59,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:42:59,043 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 92 [2018-02-04 03:42:59,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:42:59,043 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:42:59,043 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 03:42:59,044 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=511, Invalid=3911, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:42:59,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 03:42:59,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 278. [2018-02-04 03:42:59,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-02-04 03:42:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 292 transitions. [2018-02-04 03:42:59,045 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 292 transitions. Word has length 92 [2018-02-04 03:42:59,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:42:59,046 INFO L432 AbstractCegarLoop]: Abstraction has 278 states and 292 transitions. [2018-02-04 03:42:59,046 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:42:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 292 transitions. [2018-02-04 03:42:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:42:59,046 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:42:59,046 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:42:59,046 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:42:59,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1026028427, now seen corresponding path program 2 times [2018-02-04 03:42:59,047 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:42:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:42:59,055 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:42:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:59,577 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:42:59,577 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:42:59,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:42:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:59,578 INFO L182 omatonBuilderFactory]: Interpolants [43402#true, 43403#false, 43404#(= 1 (select |#valid| main_~head~0.base)), 43405#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43406#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43407#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43408#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 43409#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 43410#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43411#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 43412#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 43413#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43414#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 43415#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 43416#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 43417#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 43418#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|))), 43419#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43420#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 43421#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43422#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 43423#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 43424#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 43425#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 43426#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 43427#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 43428#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 43429#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 43430#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)), 43431#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 43432#(= 0 |main_#t~mem27.offset|)] [2018-02-04 03:42:59,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:42:59,578 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:42:59,578 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:42:59,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=832, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:42:59,579 INFO L87 Difference]: Start difference. First operand 278 states and 292 transitions. Second operand 31 states. [2018-02-04 03:43:00,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:00,765 INFO L93 Difference]: Finished difference Result 325 states and 339 transitions. [2018-02-04 03:43:00,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:43:00,765 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 92 [2018-02-04 03:43:00,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:00,766 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:43:00,766 INFO L226 Difference]: Without dead ends: 325 [2018-02-04 03:43:00,766 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=357, Invalid=2723, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 03:43:00,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-02-04 03:43:00,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 316. [2018-02-04 03:43:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:43:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 332 transitions. [2018-02-04 03:43:00,768 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 332 transitions. Word has length 92 [2018-02-04 03:43:00,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:00,768 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 332 transitions. [2018-02-04 03:43:00,768 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:43:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2018-02-04 03:43:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-02-04 03:43:00,769 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:00,769 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:00,769 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1026028428, now seen corresponding path program 2 times [2018-02-04 03:43:00,769 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:00,778 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:01,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:01,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:43:01,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:01,575 INFO L182 omatonBuilderFactory]: Interpolants [44160#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 44161#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 44162#(= (select |#valid| |main_#t~mem27.base|) 1), 44124#true, 44125#false, 44126#(not (= 0 |main_#t~malloc0.base|)), 44127#(not (= 0 main_~head~0.base)), 44128#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 44129#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44130#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44131#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44132#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 44133#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 main_~head~0.base))), 44134#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 44135#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 44136#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 44137#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44138#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 44139#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44140#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44141#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44142#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1)), 44143#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 44144#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44145#(and (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 44146#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44147#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44148#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44149#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 44150#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 44151#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 44152#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 44153#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44154#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.base|) (not (= 0 main_~head~0.base))), 44155#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 44156#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44157#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 44158#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 44159#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base)))] [2018-02-04 03:43:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:01,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:43:01,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:43:01,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1329, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:43:01,576 INFO L87 Difference]: Start difference. First operand 316 states and 332 transitions. Second operand 39 states. [2018-02-04 03:43:03,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:03,790 INFO L93 Difference]: Finished difference Result 335 states and 345 transitions. [2018-02-04 03:43:03,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:43:03,790 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 92 [2018-02-04 03:43:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:03,791 INFO L225 Difference]: With dead ends: 335 [2018-02-04 03:43:03,791 INFO L226 Difference]: Without dead ends: 335 [2018-02-04 03:43:03,791 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=765, Invalid=5397, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:43:03,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-02-04 03:43:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 322. [2018-02-04 03:43:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-02-04 03:43:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 338 transitions. [2018-02-04 03:43:03,793 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 338 transitions. Word has length 92 [2018-02-04 03:43:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:03,793 INFO L432 AbstractCegarLoop]: Abstraction has 322 states and 338 transitions. [2018-02-04 03:43:03,793 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:43:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 338 transitions. [2018-02-04 03:43:03,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 03:43:03,793 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:03,794 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:03,794 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:03,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1829153139, now seen corresponding path program 2 times [2018-02-04 03:43:03,794 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:03,806 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:04,407 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:04,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:43:04,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:04,407 INFO L182 omatonBuilderFactory]: Interpolants [44928#(and (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 44929#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44930#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44931#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem27.base|)) (not (= 0 |main_#t~mem27.base|))), 44932#(= 1 (select |#valid| main_~x~0.base)), 44900#true, 44901#false, 44902#(= 1 (select |#valid| main_~head~0.base)), 44903#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44904#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44905#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44906#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 44907#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 44908#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 44909#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 44910#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 |main_#t~malloc5.base|))), 44911#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44912#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 44913#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 44914#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 44915#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 44916#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 44917#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44918#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 44919#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 44920#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base))), 44921#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44922#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))), 44923#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))))), 44924#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))))) (not (= 0 |main_#t~mem19|))), 44925#(and (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44926#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 44927#(and (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))] [2018-02-04 03:43:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:04,408 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:43:04,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:43:04,408 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=949, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:43:04,408 INFO L87 Difference]: Start difference. First operand 322 states and 338 transitions. Second operand 33 states. [2018-02-04 03:43:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:05,879 INFO L93 Difference]: Finished difference Result 330 states and 344 transitions. [2018-02-04 03:43:05,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:43:05,879 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 94 [2018-02-04 03:43:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:05,880 INFO L225 Difference]: With dead ends: 330 [2018-02-04 03:43:05,880 INFO L226 Difference]: Without dead ends: 330 [2018-02-04 03:43:05,881 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=477, Invalid=3429, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:43:05,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-02-04 03:43:05,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 324. [2018-02-04 03:43:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-02-04 03:43:05,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 340 transitions. [2018-02-04 03:43:05,882 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 340 transitions. Word has length 94 [2018-02-04 03:43:05,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:05,883 INFO L432 AbstractCegarLoop]: Abstraction has 324 states and 340 transitions. [2018-02-04 03:43:05,883 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:43:05,883 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 340 transitions. [2018-02-04 03:43:05,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 03:43:05,883 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:05,883 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:05,883 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:05,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1174536755, now seen corresponding path program 2 times [2018-02-04 03:43:05,884 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:05,900 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:06,916 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:06,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:06,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:43:06,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:06,917 INFO L182 omatonBuilderFactory]: Interpolants [45647#true, 45648#false, 45649#(= 0 |main_#t~malloc0.offset|), 45650#(= main_~head~0.offset 0), 45651#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 45652#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 45653#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 45654#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 45655#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 45656#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 45657#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 45658#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 45659#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 45660#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 45661#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 45662#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 45663#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 45664#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 45665#(and (or (and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 45666#(and (= 1 (select |#valid| main_~x~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (or (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0)), 45667#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (or (and (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0)), 45668#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 45669#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem14.base|))), 45670#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 1 (select (select (store |#memory_int| |main_#t~mem16.base| (store (select |#memory_int| |main_#t~mem16.base|) (+ |main_#t~mem16.offset| 8) 2)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0)), 45671#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 45672#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))), 45673#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))) (= main_~head~0.offset 0)), 45674#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (+ main_~head~0.offset 8)))) (not (= 0 |main_#t~mem19|))) (= main_~head~0.offset 0)), 45675#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (+ main_~head~0.offset 8)))), 45676#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8)))), 45677#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.offset|) (= 1 (select (select |#memory_int| |main_#t~mem22.base|) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 45678#(and (or (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0) (or (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~x~0.offset) (= main_~x~0.offset 0))), 45679#(and (or (= 1 |main_#t~mem23|) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~head~0.offset 0)), 45680#(and (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 45681#(not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 0)), 45682#(not (= (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 0)), 45683#(not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)), 45684#(not (= |main_#t~mem27.offset| 0))] [2018-02-04 03:43:06,917 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:06,917 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:43:06,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:43:06,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1271, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:43:06,917 INFO L87 Difference]: Start difference. First operand 324 states and 340 transitions. Second operand 38 states. [2018-02-04 03:43:08,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:08,732 INFO L93 Difference]: Finished difference Result 328 states and 341 transitions. [2018-02-04 03:43:08,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:43:08,732 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 96 [2018-02-04 03:43:08,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:08,732 INFO L225 Difference]: With dead ends: 328 [2018-02-04 03:43:08,732 INFO L226 Difference]: Without dead ends: 302 [2018-02-04 03:43:08,733 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1342 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=646, Invalid=4904, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:43:08,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-02-04 03:43:08,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 298. [2018-02-04 03:43:08,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2018-02-04 03:43:08,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 313 transitions. [2018-02-04 03:43:08,735 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 313 transitions. Word has length 96 [2018-02-04 03:43:08,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:08,735 INFO L432 AbstractCegarLoop]: Abstraction has 298 states and 313 transitions. [2018-02-04 03:43:08,735 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:43:08,735 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 313 transitions. [2018-02-04 03:43:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:43:08,735 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:08,735 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:08,735 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:08,735 INFO L82 PathProgramCache]: Analyzing trace with hash -842953035, now seen corresponding path program 10 times [2018-02-04 03:43:08,736 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:08,757 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:09,829 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:09,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:43:09,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:09,830 INFO L182 omatonBuilderFactory]: Interpolants [46400#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46401#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 46402#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 46403#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 46404#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46405#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46406#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 46407#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 46408#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 46409#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 46410#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 46411#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 46412#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 46413#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 46414#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 46415#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 46416#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 46417#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 46418#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 12 (select |#length| |main_#t~mem20.base|))), 46419#(and (or (not (= main_~x~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 46420#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (or (not (= main_~x~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 46421#(= 1 (select |#valid| |main_#t~mem20.base|)), 46422#(= 1 (select |#valid| main_~x~0.base)), 46385#true, 46386#false, 46387#(= 1 (select |#valid| main_~head~0.base)), 46388#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 46389#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 46390#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 46391#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 46392#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 46393#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 46394#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 46395#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 46396#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 46397#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 46398#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 46399#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:43:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:09,830 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:43:09,831 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:43:09,831 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:43:09,831 INFO L87 Difference]: Start difference. First operand 298 states and 313 transitions. Second operand 38 states. [2018-02-04 03:43:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:12,392 INFO L93 Difference]: Finished difference Result 353 states and 369 transitions. [2018-02-04 03:43:12,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:43:12,393 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 97 [2018-02-04 03:43:12,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:12,393 INFO L225 Difference]: With dead ends: 353 [2018-02-04 03:43:12,393 INFO L226 Difference]: Without dead ends: 353 [2018-02-04 03:43:12,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=467, Invalid=4503, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:43:12,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-02-04 03:43:12,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 306. [2018-02-04 03:43:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2018-02-04 03:43:12,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 322 transitions. [2018-02-04 03:43:12,395 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 322 transitions. Word has length 97 [2018-02-04 03:43:12,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:12,396 INFO L432 AbstractCegarLoop]: Abstraction has 306 states and 322 transitions. [2018-02-04 03:43:12,396 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:43:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 322 transitions. [2018-02-04 03:43:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:43:12,396 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:12,396 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:12,396 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:12,396 INFO L82 PathProgramCache]: Analyzing trace with hash -842953034, now seen corresponding path program 7 times [2018-02-04 03:43:12,397 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:12,417 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:13,571 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:13,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:43:13,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:13,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:13,572 INFO L182 omatonBuilderFactory]: Interpolants [47168#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47169#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47170#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|))), 47171#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 47172#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 47173#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 47174#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 47175#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 47176#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 47177#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 47178#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 47179#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 47180#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 47181#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 47182#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47183#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 47184#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 47148#true, 47149#false, 47150#(= 1 (select |#valid| main_~head~0.base)), 47151#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47152#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47153#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47154#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 47155#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 47156#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47157#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47158#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 47159#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 47160#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 47161#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 47162#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47163#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47164#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|))), 47165#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47166#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 47167#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-02-04 03:43:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:13,572 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:43:13,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:43:13,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:43:13,572 INFO L87 Difference]: Start difference. First operand 306 states and 322 transitions. Second operand 37 states. [2018-02-04 03:43:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:16,185 INFO L93 Difference]: Finished difference Result 385 states and 402 transitions. [2018-02-04 03:43:16,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:43:16,185 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 97 [2018-02-04 03:43:16,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:16,186 INFO L225 Difference]: With dead ends: 385 [2018-02-04 03:43:16,186 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 03:43:16,186 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=359, Invalid=3801, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:43:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 03:43:16,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 307. [2018-02-04 03:43:16,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-02-04 03:43:16,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 323 transitions. [2018-02-04 03:43:16,188 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 323 transitions. Word has length 97 [2018-02-04 03:43:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:16,188 INFO L432 AbstractCegarLoop]: Abstraction has 307 states and 323 transitions. [2018-02-04 03:43:16,188 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 03:43:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 323 transitions. [2018-02-04 03:43:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:43:16,189 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:16,189 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:16,189 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:16,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1574744818, now seen corresponding path program 7 times [2018-02-04 03:43:16,189 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:16,204 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:17,265 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:17,265 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:43:17,265 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:17,265 INFO L182 omatonBuilderFactory]: Interpolants [47936#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47937#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47938#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47939#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 47940#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 47941#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47942#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 47943#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 47944#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 47945#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 47946#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 47947#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47948#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 47949#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 47950#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 47951#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 47952#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47953#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47954#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 47955#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 47956#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 47957#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 47958#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 47959#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 47960#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))), 47961#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 47962#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 47963#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 47964#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 47965#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 47966#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 12 (select |#length| |main_#t~mem20.base|))), 47967#(and (or (not (= main_~x~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 47968#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (or (not (= main_~x~0.offset 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= (select |#length| main_~x~0.base) 12)), 47969#(= 1 (select |#valid| |main_#t~mem22.base|)), 47970#(= 1 (select |#valid| main_~x~0.base)), 47933#true, 47934#false, 47935#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:43:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:17,266 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:43:17,266 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:43:17,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1290, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:43:17,266 INFO L87 Difference]: Start difference. First operand 307 states and 323 transitions. Second operand 38 states. [2018-02-04 03:43:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:19,848 INFO L93 Difference]: Finished difference Result 366 states and 383 transitions. [2018-02-04 03:43:19,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:43:19,848 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 97 [2018-02-04 03:43:19,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:19,849 INFO L225 Difference]: With dead ends: 366 [2018-02-04 03:43:19,849 INFO L226 Difference]: Without dead ends: 366 [2018-02-04 03:43:19,849 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1116 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=467, Invalid=4503, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:43:19,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-02-04 03:43:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 315. [2018-02-04 03:43:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 03:43:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 332 transitions. [2018-02-04 03:43:19,851 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 332 transitions. Word has length 97 [2018-02-04 03:43:19,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:19,851 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 332 transitions. [2018-02-04 03:43:19,851 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:43:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 332 transitions. [2018-02-04 03:43:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 03:43:19,852 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:19,852 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:19,852 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:19,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1574744819, now seen corresponding path program 5 times [2018-02-04 03:43:19,852 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:19,869 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:20,959 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:20,959 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:43:20,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:20,960 INFO L182 omatonBuilderFactory]: Interpolants [48718#true, 48719#false, 48720#(= 1 (select |#valid| main_~head~0.base)), 48721#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 48722#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 48723#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 48724#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 48725#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 48726#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48727#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48728#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 48729#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 48730#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 48731#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 48732#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48733#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 48734#(and (= 0 |main_#t~malloc5.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~malloc5.base|))), 48735#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48736#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 48737#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= 12 (select |#length| |main_#t~mem9.base|)) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48738#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48739#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 48740#(and (= 12 (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|))), 48741#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 48742#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 48743#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 48744#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 48745#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 48746#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 48747#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 48748#(or (and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 48749#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 48750#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 48751#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 48752#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 48753#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 48754#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:43:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:20,960 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:43:20,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:43:20,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1223, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:43:20,960 INFO L87 Difference]: Start difference. First operand 315 states and 332 transitions. Second operand 37 states. [2018-02-04 03:43:23,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:23,690 INFO L93 Difference]: Finished difference Result 388 states and 405 transitions. [2018-02-04 03:43:23,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:43:23,690 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 97 [2018-02-04 03:43:23,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:23,691 INFO L225 Difference]: With dead ends: 388 [2018-02-04 03:43:23,691 INFO L226 Difference]: Without dead ends: 388 [2018-02-04 03:43:23,691 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=359, Invalid=3801, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:43:23,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-02-04 03:43:23,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 315. [2018-02-04 03:43:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-02-04 03:43:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 331 transitions. [2018-02-04 03:43:23,694 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 331 transitions. Word has length 97 [2018-02-04 03:43:23,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:23,695 INFO L432 AbstractCegarLoop]: Abstraction has 315 states and 331 transitions. [2018-02-04 03:43:23,695 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 03:43:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 331 transitions. [2018-02-04 03:43:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:43:23,695 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:23,696 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:23,696 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:23,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1251375226, now seen corresponding path program 5 times [2018-02-04 03:43:23,696 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:23,712 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:24,743 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:24,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:43:24,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:24,744 INFO L182 omatonBuilderFactory]: Interpolants [49536#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 49537#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 49538#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 49539#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49540#(and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49541#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 49542#(or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 49543#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49544#(and (not (= 1 (select |#valid| 0))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 49545#(and (not (= 1 (select |#valid| 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base))), 49546#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 49547#(and (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 49548#(and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base))), 49549#(and (not (= 1 (select |#valid| 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0))) (not (= 0 main_~head~0.base)) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0)))), 49550#(and (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (or (not (= main_~x~0.offset 0)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))), 49551#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base)))), 49552#(and (or (not (= main_~x~0.offset 0)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~x~0.base))), 49553#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.offset 0))) (not (= 0 main_~x~0.base)) (= main_~x~0.base main_~head~0.base)), 49554#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 49555#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 49556#(= 1 (select |#valid| main_~x~0.base)), 49514#true, 49515#false, 49516#(= 0 (select |#valid| 0)), 49517#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 49518#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 49519#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 49520#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 49521#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49522#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)), 49523#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 49524#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 0 (select |#valid| 0)) (= |main_#t~mem9.offset| 0)), 49525#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 49526#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 49527#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0)), 49528#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 49529#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 49530#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 49531#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 49532#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1)), 49533#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 0 (select |#valid| 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 49534#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 49535#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)))] [2018-02-04 03:43:24,744 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:24,744 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 03:43:24,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 03:43:24,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1608, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:43:24,745 INFO L87 Difference]: Start difference. First operand 315 states and 331 transitions. Second operand 43 states. [2018-02-04 03:43:27,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:27,342 INFO L93 Difference]: Finished difference Result 332 states and 348 transitions. [2018-02-04 03:43:27,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 03:43:27,342 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 100 [2018-02-04 03:43:27,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:27,343 INFO L225 Difference]: With dead ends: 332 [2018-02-04 03:43:27,343 INFO L226 Difference]: Without dead ends: 332 [2018-02-04 03:43:27,344 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1959 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1132, Invalid=6700, Unknown=0, NotChecked=0, Total=7832 [2018-02-04 03:43:27,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-02-04 03:43:27,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 320. [2018-02-04 03:43:27,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-02-04 03:43:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 337 transitions. [2018-02-04 03:43:27,347 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 337 transitions. Word has length 100 [2018-02-04 03:43:27,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:27,347 INFO L432 AbstractCegarLoop]: Abstraction has 320 states and 337 transitions. [2018-02-04 03:43:27,347 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 03:43:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 337 transitions. [2018-02-04 03:43:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 03:43:27,348 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:27,348 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:27,348 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:27,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1251375225, now seen corresponding path program 4 times [2018-02-04 03:43:27,348 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:27,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:43:27,492 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:27,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:43:27,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:27,663 INFO L182 omatonBuilderFactory]: Interpolants [50304#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|)), 50305#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 50306#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem20.base|) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50307#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50308#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50309#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 50310#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 50311#(and (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)))), 50312#(and (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 50313#(and (<= (+ |main_#t~mem25.offset| 12) (select |#length| |main_#t~mem25.base|)) (<= 0 |main_#t~mem25.offset|)), 50314#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 50301#true, 50302#false, 50303#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:43:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:43:27,664 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:43:27,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:43:27,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:43:27,664 INFO L87 Difference]: Start difference. First operand 320 states and 337 transitions. Second operand 14 states. [2018-02-04 03:43:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:28,094 INFO L93 Difference]: Finished difference Result 382 states and 396 transitions. [2018-02-04 03:43:28,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:43:28,095 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-02-04 03:43:28,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:28,096 INFO L225 Difference]: With dead ends: 382 [2018-02-04 03:43:28,096 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 03:43:28,096 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:43:28,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 03:43:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 329. [2018-02-04 03:43:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-02-04 03:43:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 347 transitions. [2018-02-04 03:43:28,098 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 347 transitions. Word has length 100 [2018-02-04 03:43:28,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:28,098 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 347 transitions. [2018-02-04 03:43:28,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:43:28,098 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 347 transitions. [2018-02-04 03:43:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 03:43:28,098 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:28,099 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:28,099 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:28,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1559637970, now seen corresponding path program 3 times [2018-02-04 03:43:28,099 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:28,110 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:28,845 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:28,846 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:43:28,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:28,846 INFO L182 omatonBuilderFactory]: Interpolants [51072#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|) (not (= 0 main_~head~0.base))), 51073#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51074#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem20.base|) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 51075#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51076#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51077#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51078#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 51079#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 51080#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base))), 51081#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 51082#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 51083#(= (select |#valid| |main_#t~mem27.base|) 1), 51044#true, 51045#false, 51046#(not (= 0 |main_#t~malloc0.base|)), 51047#(not (= 0 main_~head~0.base)), 51048#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51049#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51050#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51051#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51052#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 51053#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 main_~head~0.base))), 51054#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51055#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51056#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51057#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51058#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 51059#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51060#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51061#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51062#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1)), 51063#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 51064#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51065#(and (not (= 0 main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 51066#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51067#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51068#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51069#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51070#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 51071#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|)))] [2018-02-04 03:43:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:28,846 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:43:28,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:43:28,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1401, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:43:28,847 INFO L87 Difference]: Start difference. First operand 329 states and 347 transitions. Second operand 40 states. [2018-02-04 03:43:30,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:30,792 INFO L93 Difference]: Finished difference Result 338 states and 350 transitions. [2018-02-04 03:43:30,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:43:30,792 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 101 [2018-02-04 03:43:30,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:30,793 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:43:30,793 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 03:43:30,794 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1573 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=775, Invalid=5705, Unknown=0, NotChecked=0, Total=6480 [2018-02-04 03:43:30,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 03:43:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 329. [2018-02-04 03:43:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-02-04 03:43:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 346 transitions. [2018-02-04 03:43:30,795 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 346 transitions. Word has length 101 [2018-02-04 03:43:30,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:30,795 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 346 transitions. [2018-02-04 03:43:30,795 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:43:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 346 transitions. [2018-02-04 03:43:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:43:30,796 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:30,796 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:30,796 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:30,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1933405615, now seen corresponding path program 11 times [2018-02-04 03:43:30,796 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:30,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:30,812 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:31,952 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:43:31,952 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:31,952 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 03:43:31,953 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:31,953 INFO L182 omatonBuilderFactory]: Interpolants [51840#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 51841#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51842#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51843#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 51844#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51845#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 51846#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 51847#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51848#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51849#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base))), 51850#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51851#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 51852#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51853#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51854#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51855#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51856#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc5.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))))), 51857#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51858#(and (or (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 51859#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51860#(and (or (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 51861#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 51862#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (or (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|))), 51863#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51864#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 51865#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51866#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 51867#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 51868#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 51869#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 51870#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 51871#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 51872#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 51873#(= 1 (select |#valid| |main_#t~mem20.base|)), 51874#(= 1 (select |#valid| main_~x~0.base)), 51833#true, 51834#false, 51835#(= 1 (select |#valid| main_~head~0.base)), 51836#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 51837#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 51838#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 51839#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)))] [2018-02-04 03:43:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:43:31,953 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:43:31,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:43:31,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1567, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:43:31,954 INFO L87 Difference]: Start difference. First operand 329 states and 346 transitions. Second operand 42 states. [2018-02-04 03:43:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:34,663 INFO L93 Difference]: Finished difference Result 338 states and 355 transitions. [2018-02-04 03:43:34,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:43:34,663 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 102 [2018-02-04 03:43:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:34,664 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:43:34,664 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 03:43:34,664 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1678 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=856, Invalid=6284, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:43:34,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 03:43:34,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 337. [2018-02-04 03:43:34,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-02-04 03:43:34,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 355 transitions. [2018-02-04 03:43:34,666 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 355 transitions. Word has length 102 [2018-02-04 03:43:34,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:34,666 INFO L432 AbstractCegarLoop]: Abstraction has 337 states and 355 transitions. [2018-02-04 03:43:34,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:43:34,666 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 355 transitions. [2018-02-04 03:43:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:43:34,666 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:34,667 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:34,667 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:34,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1933405614, now seen corresponding path program 8 times [2018-02-04 03:43:34,667 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:34,690 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:36,051 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:43:36,051 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:36,051 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:43:36,051 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:36,052 INFO L182 omatonBuilderFactory]: Interpolants [52672#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 52673#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 52674#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 52675#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 52636#true, 52637#false, 52638#(= 1 (select |#valid| main_~head~0.base)), 52639#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52640#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52641#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52642#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 52643#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 52644#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52645#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 52646#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 52647#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52648#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 52649#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 52650#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52651#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52652#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 52653#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52654#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 52655#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 52656#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52657#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52658#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52659#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 52660#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52661#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 52662#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52663#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 52664#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52665#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 52666#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 52667#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 52668#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 52669#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 52670#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 52671#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|)))] [2018-02-04 03:43:36,052 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:43:36,052 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:43:36,052 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:43:36,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1418, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:43:36,053 INFO L87 Difference]: Start difference. First operand 337 states and 355 transitions. Second operand 40 states. [2018-02-04 03:43:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:38,875 INFO L93 Difference]: Finished difference Result 356 states and 370 transitions. [2018-02-04 03:43:38,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:43:38,875 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 102 [2018-02-04 03:43:38,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:38,876 INFO L225 Difference]: With dead ends: 356 [2018-02-04 03:43:38,876 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 03:43:38,876 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=589, Invalid=4961, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:43:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 03:43:38,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 329. [2018-02-04 03:43:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-02-04 03:43:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 346 transitions. [2018-02-04 03:43:38,878 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 346 transitions. Word has length 102 [2018-02-04 03:43:38,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:38,879 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 346 transitions. [2018-02-04 03:43:38,879 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:43:38,879 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 346 transitions. [2018-02-04 03:43:38,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:43:38,879 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:38,879 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:38,879 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:38,879 INFO L82 PathProgramCache]: Analyzing trace with hash 484292238, now seen corresponding path program 8 times [2018-02-04 03:43:38,880 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:38,896 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:43:40,039 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:40,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 03:43:40,039 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:40,040 INFO L182 omatonBuilderFactory]: Interpolants [53440#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 53441#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 53442#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53443#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 53444#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 53445#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53446#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53447#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base))), 53448#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53449#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 53450#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53451#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53452#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53453#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53454#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc5.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))))), 53455#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53456#(and (or (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 53457#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 53458#(and (or (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 53459#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 53460#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (or (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|))), 53461#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53462#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 53463#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53464#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 53465#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 53466#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 53467#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 53468#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 |main_#t~mem19|))), 53469#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 53470#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 53471#(= 1 (select |#valid| |main_#t~mem22.base|)), 53472#(= 1 (select |#valid| main_~x~0.base)), 53431#true, 53432#false, 53433#(= 1 (select |#valid| main_~head~0.base)), 53434#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 53435#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 53436#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 53437#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 53438#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 53439#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)))] [2018-02-04 03:43:40,040 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:43:40,040 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:43:40,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:43:40,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1567, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:43:40,041 INFO L87 Difference]: Start difference. First operand 329 states and 346 transitions. Second operand 42 states. [2018-02-04 03:43:43,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:43,023 INFO L93 Difference]: Finished difference Result 336 states and 351 transitions. [2018-02-04 03:43:43,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:43:43,023 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 102 [2018-02-04 03:43:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:43,024 INFO L225 Difference]: With dead ends: 336 [2018-02-04 03:43:43,024 INFO L226 Difference]: Without dead ends: 336 [2018-02-04 03:43:43,024 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1675 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=856, Invalid=6284, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:43:43,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-02-04 03:43:43,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 329. [2018-02-04 03:43:43,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-02-04 03:43:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 345 transitions. [2018-02-04 03:43:43,026 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 345 transitions. Word has length 102 [2018-02-04 03:43:43,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:43,026 INFO L432 AbstractCegarLoop]: Abstraction has 329 states and 345 transitions. [2018-02-04 03:43:43,026 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:43:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 345 transitions. [2018-02-04 03:43:43,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-02-04 03:43:43,027 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:43,027 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:43,027 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:43,027 INFO L82 PathProgramCache]: Analyzing trace with hash 484292239, now seen corresponding path program 6 times [2018-02-04 03:43:43,027 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:43,050 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:44,381 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:43:44,381 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:44,381 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-02-04 03:43:44,381 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:44,382 INFO L182 omatonBuilderFactory]: Interpolants [54224#true, 54225#false, 54226#(= 1 (select |#valid| main_~head~0.base)), 54227#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54228#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54229#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54230#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 54231#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 54232#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54233#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 54234#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 54235#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54236#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 54237#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| |main_#t~mem9.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 54238#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54239#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54240#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 54241#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54242#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 54243#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 54244#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54245#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54246#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54247#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 54248#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54249#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base |main_#t~mem7.base|))), 54250#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54251#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 54252#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54253#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 54254#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 54255#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 54256#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 54257#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 54258#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 54259#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 54260#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 54261#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 54262#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 54263#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:43:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:43:44,382 INFO L409 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-02-04 03:43:44,382 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-02-04 03:43:44,383 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1418, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:43:44,383 INFO L87 Difference]: Start difference. First operand 329 states and 345 transitions. Second operand 40 states. [2018-02-04 03:43:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:47,298 INFO L93 Difference]: Finished difference Result 341 states and 352 transitions. [2018-02-04 03:43:47,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:43:47,298 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 102 [2018-02-04 03:43:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:47,299 INFO L225 Difference]: With dead ends: 341 [2018-02-04 03:43:47,299 INFO L226 Difference]: Without dead ends: 341 [2018-02-04 03:43:47,299 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1240 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=589, Invalid=4961, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:43:47,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-02-04 03:43:47,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 321. [2018-02-04 03:43:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-02-04 03:43:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 336 transitions. [2018-02-04 03:43:47,302 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 336 transitions. Word has length 102 [2018-02-04 03:43:47,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:47,302 INFO L432 AbstractCegarLoop]: Abstraction has 321 states and 336 transitions. [2018-02-04 03:43:47,302 INFO L433 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-02-04 03:43:47,302 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 336 transitions. [2018-02-04 03:43:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-02-04 03:43:47,302 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:47,302 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:47,302 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:47,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1325251336, now seen corresponding path program 4 times [2018-02-04 03:43:47,303 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:47,314 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:47,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:47,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:43:47,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:47,888 INFO L182 omatonBuilderFactory]: Interpolants [54996#true, 54997#false, 54998#(= 1 (select |#valid| main_~head~0.base)), 54999#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 55000#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 55001#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 55002#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 55003#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 55004#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55005#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 55006#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0)), 55007#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55008#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55009#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 55010#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 55011#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 55012#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|))), 55013#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55014#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 55015#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 55016#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem16.base| main_~head~0.base))), 55017#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 55018#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base)), 55019#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55020#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (= main_~x~0.base main_~head~0.base))), 55021#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 55022#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55023#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 55024#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) 0)), 55025#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 55026#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55027#(or (= 0 |main_#t~mem25.offset|) (not (= main_~head~0.offset 0))), 55028#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 55029#(= 0 main_~x~0.offset), 55030#(= main_~head~0.offset 0)] [2018-02-04 03:43:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:47,888 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:43:47,889 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:43:47,889 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1067, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:43:47,889 INFO L87 Difference]: Start difference. First operand 321 states and 336 transitions. Second operand 35 states. [2018-02-04 03:43:49,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:49,259 INFO L93 Difference]: Finished difference Result 339 states and 354 transitions. [2018-02-04 03:43:49,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 03:43:49,259 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 104 [2018-02-04 03:43:49,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:49,260 INFO L225 Difference]: With dead ends: 339 [2018-02-04 03:43:49,260 INFO L226 Difference]: Without dead ends: 339 [2018-02-04 03:43:49,260 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 972 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=418, Invalid=3488, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 03:43:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-02-04 03:43:49,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 325. [2018-02-04 03:43:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-02-04 03:43:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 341 transitions. [2018-02-04 03:43:49,262 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 341 transitions. Word has length 104 [2018-02-04 03:43:49,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:49,262 INFO L432 AbstractCegarLoop]: Abstraction has 325 states and 341 transitions. [2018-02-04 03:43:49,262 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:43:49,262 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 341 transitions. [2018-02-04 03:43:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-02-04 03:43:49,262 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:49,262 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:49,263 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:49,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1820113263, now seen corresponding path program 3 times [2018-02-04 03:43:49,263 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:49,278 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:50,062 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:50,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:43:50,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:50,063 INFO L182 omatonBuilderFactory]: Interpolants [55751#true, 55752#false, 55753#(= 0 |main_#t~malloc0.offset|), 55754#(= main_~head~0.offset 0), 55755#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 55756#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55757#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= 12 (select |#length| |main_#t~malloc5.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55758#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55759#(and (= (select |#length| |main_#t~mem7.base|) 12) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 55760#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 12) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55761#(and (<= (select |#length| |main_#t~mem9.base|) 12) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= main_~head~0.offset 0)), 55762#(and (<= (select |#length| main_~x~0.base) 12) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 55763#(and (<= (select |#length| main_~x~0.base) 12) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 55764#(and (<= (select |#length| main_~x~0.base) 12) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 55765#(and (<= (select |#length| main_~x~0.base) 12) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 55766#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (<= (select |#length| main_~x~0.base) 12) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0)), 55767#(and (<= (select |#length| main_~x~0.base) 12) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 55768#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)), 55769#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 55770#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 55771#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (<= (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 12) (= main_~head~0.offset 0)), 55772#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 55773#(and (<= (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 12) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= main_~head~0.offset 0)), 55774#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 55775#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (not (= |main_#t~mem16.base| main_~head~0.base)) (= main_~head~0.offset 0)), 55776#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 12) (= main_~head~0.offset 0)), 55777#(and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 12) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55778#(and (= |main_#t~mem18| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 12) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 55779#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 12) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))), 55780#(or (and (= main_~x~0.offset main_~head~0.offset) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 12) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)) (not (= 0 |main_#t~mem19|))), 55781#(and (<= (select |#length| |main_#t~mem20.base|) 12) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 55782#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (or (<= (select |#length| main_~x~0.base) 12) (<= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 55783#(and (or (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (<= main_~x~0.offset 0) (= main_~head~0.offset 0)), 55784#(and (or (and (= |main_#t~mem19| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (<= main_~x~0.offset 0) (= main_~head~0.offset 0)), 55785#(and (or (and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (<= main_~x~0.offset 0) (= main_~head~0.offset 0)), 55786#(and (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 55787#(not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))), 55788#(not (= 1 (select (select |#memory_int| |main_#t~mem25.base|) (+ 0 8)))), 55789#(or (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 55790#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0) (not (= 1 |main_#t~mem24|))), 55791#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 55792#(<= 1 main_~x~0.offset)] [2018-02-04 03:43:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:50,063 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 03:43:50,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 03:43:50,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1528, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:43:50,063 INFO L87 Difference]: Start difference. First operand 325 states and 341 transitions. Second operand 42 states. [2018-02-04 03:43:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:51,927 INFO L93 Difference]: Finished difference Result 325 states and 340 transitions. [2018-02-04 03:43:51,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:43:51,927 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 105 [2018-02-04 03:43:51,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:51,928 INFO L225 Difference]: With dead ends: 325 [2018-02-04 03:43:51,928 INFO L226 Difference]: Without dead ends: 317 [2018-02-04 03:43:51,928 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=883, Invalid=6257, Unknown=0, NotChecked=0, Total=7140 [2018-02-04 03:43:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-02-04 03:43:51,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-02-04 03:43:51,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-02-04 03:43:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 332 transitions. [2018-02-04 03:43:51,930 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 332 transitions. Word has length 105 [2018-02-04 03:43:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:51,930 INFO L432 AbstractCegarLoop]: Abstraction has 317 states and 332 transitions. [2018-02-04 03:43:51,930 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 03:43:51,931 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 332 transitions. [2018-02-04 03:43:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:43:51,931 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:51,931 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:51,931 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:51,931 INFO L82 PathProgramCache]: Analyzing trace with hash -2038747894, now seen corresponding path program 6 times [2018-02-04 03:43:51,932 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:51,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:53,317 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:53,328 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 03:43:53,328 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:53,329 INFO L182 omatonBuilderFactory]: Interpolants [56521#true, 56522#false, 56523#(not (= 0 |main_#t~malloc0.base|)), 56524#(not (= 0 main_~head~0.base)), 56525#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 56526#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56527#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56528#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56529#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 56530#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.offset| 0) (not (= 0 main_~head~0.base))), 56531#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 56532#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 56533#(and (= 0 |main_#t~malloc5.offset|) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base))), 56534#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56535#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) 0))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56536#(and (= 0 |main_#t~mem9.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56537#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56538#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56539#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 56540#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56541#(and (= main_~x~0.offset 0) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0) main_~x~0.base) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)))), 56542#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56543#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 56544#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0)))), 56545#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 56546#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 56547#(or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 56548#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) 0))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) 0)))), 56549#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 56550#(and (or (and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56551#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56552#(and (or (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 56553#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)))), 56554#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= 0 main_~head~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)))), 56555#(and (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0))) (not (= 0 |main_#t~mem25.base|)) (not (= 0 main_~head~0.base)) (or (and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 0))) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 0))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 0)))) (not (= |main_#t~mem25.offset| 0)))), 56556#(and (not (= 0 main_~x~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.offset 0))) (not (= 0 main_~head~0.base))), 56557#(and (not (= 0 main_~x~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~x~0.offset 0)))), 56558#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (= main_~x~0.offset main_~head~0.offset) (or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 56559#(and (or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0))) (not (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) 0)))) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base)) (or (not (= 0 |main_#t~mem25.base|)) (not (= main_~head~0.offset 0)))), 56560#(and (or (not (= 0 main_~x~0.base)) (not (= main_~head~0.offset 0))) (or (not (= 0 main_~x~0.offset)) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~head~0.offset 0))) (not (= 0 main_~head~0.base))), 56561#(and (or (not (= 0 main_~x~0.offset)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~x~0.base))), 56562#(and (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 56563#(and (not (= 0 main_~head~0.base)) (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem25.base|)))), 56564#(and (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base))) (not (= 0 main_~head~0.base))), 56565#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:43:53,329 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:53,329 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 03:43:53,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 03:43:53,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1807, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:43:53,330 INFO L87 Difference]: Start difference. First operand 317 states and 332 transitions. Second operand 45 states. [2018-02-04 03:43:56,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:56,933 INFO L93 Difference]: Finished difference Result 347 states and 360 transitions. [2018-02-04 03:43:56,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 03:43:56,934 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 106 [2018-02-04 03:43:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:56,934 INFO L225 Difference]: With dead ends: 347 [2018-02-04 03:43:56,934 INFO L226 Difference]: Without dead ends: 347 [2018-02-04 03:43:56,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2317 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1118, Invalid=8194, Unknown=0, NotChecked=0, Total=9312 [2018-02-04 03:43:56,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2018-02-04 03:43:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 319. [2018-02-04 03:43:56,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-02-04 03:43:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 335 transitions. [2018-02-04 03:43:56,937 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 335 transitions. Word has length 106 [2018-02-04 03:43:56,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:56,937 INFO L432 AbstractCegarLoop]: Abstraction has 319 states and 335 transitions. [2018-02-04 03:43:56,937 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 03:43:56,937 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 335 transitions. [2018-02-04 03:43:56,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:43:56,937 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:56,937 INFO L351 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:56,938 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:56,938 INFO L82 PathProgramCache]: Analyzing trace with hash -2038747893, now seen corresponding path program 5 times [2018-02-04 03:43:56,938 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:56,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:43:57,146 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:57,146 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:43:57,146 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:57,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:57,147 INFO L182 omatonBuilderFactory]: Interpolants [57344#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 57345#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 57346#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 8))), 57347#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|))))), 57348#(and (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 12) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) 8))), 57349#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 12) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|) 8))), 57350#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8)) (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 12) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57351#(and (<= (+ |main_#t~mem25.offset| 12) (select |#length| |main_#t~mem25.base|)) (<= 0 (+ |main_#t~mem25.offset| 8))), 57352#(and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 8))), 57336#true, 57337#false, 57338#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 57339#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|)), 57340#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 57341#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57342#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 57343#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem22.base|) (= |main_#t~mem22.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))] [2018-02-04 03:43:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-02-04 03:43:57,147 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:43:57,147 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:43:57,147 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:43:57,147 INFO L87 Difference]: Start difference. First operand 319 states and 335 transitions. Second operand 17 states. [2018-02-04 03:43:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:43:57,912 INFO L93 Difference]: Finished difference Result 407 states and 426 transitions. [2018-02-04 03:43:57,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:43:57,912 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 106 [2018-02-04 03:43:57,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:43:57,914 INFO L225 Difference]: With dead ends: 407 [2018-02-04 03:43:57,914 INFO L226 Difference]: Without dead ends: 407 [2018-02-04 03:43:57,914 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:43:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-02-04 03:43:57,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 359. [2018-02-04 03:43:57,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-02-04 03:43:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 382 transitions. [2018-02-04 03:43:57,916 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 382 transitions. Word has length 106 [2018-02-04 03:43:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:43:57,916 INFO L432 AbstractCegarLoop]: Abstraction has 359 states and 382 transitions. [2018-02-04 03:43:57,917 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:43:57,917 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 382 transitions. [2018-02-04 03:43:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:43:57,917 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:43:57,917 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:43:57,917 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:43:57,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1814602649, now seen corresponding path program 12 times [2018-02-04 03:43:57,918 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:43:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:43:57,933 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:43:59,223 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:59,223 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:43:59,223 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:43:59,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:43:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:59,224 INFO L182 omatonBuilderFactory]: Interpolants [58176#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 58177#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 58178#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= |main_#t~mem16.base| main_~head~0.base))), 58179#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58180#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 58181#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 58182#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 58183#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 58184#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 58185#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (= 12 (select |#length| |main_#t~mem20.base|))), 58186#(and (or (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)))), 58187#(and (or (and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)) (= main_~x~0.offset 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)))), 58188#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 58189#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 58190#(= 1 (select |#valid| |main_#t~mem20.base|)), 58191#(= 1 (select |#valid| main_~x~0.base)), 58153#true, 58154#false, 58155#(= 1 (select |#valid| main_~head~0.base)), 58156#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 58157#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 58158#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 58159#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 58160#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 58161#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 58162#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 58163#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 58164#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 58165#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 58166#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 58167#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58168#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 58169#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 58170#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 58171#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 58172#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) |main_#t~mem9.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58173#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58174#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 58175#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))))] [2018-02-04 03:43:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:43:59,224 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:43:59,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:43:59,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1367, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:43:59,225 INFO L87 Difference]: Start difference. First operand 359 states and 382 transitions. Second operand 39 states. [2018-02-04 03:44:00,967 WARN L146 SmtUtils]: Spent 101ms on a formula simplification. DAG size of input: 118 DAG size of output 106 [2018-02-04 03:44:02,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:02,473 INFO L93 Difference]: Finished difference Result 431 states and 455 transitions. [2018-02-04 03:44:02,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:44:02,473 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 106 [2018-02-04 03:44:02,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:02,474 INFO L225 Difference]: With dead ends: 431 [2018-02-04 03:44:02,474 INFO L226 Difference]: Without dead ends: 431 [2018-02-04 03:44:02,474 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=542, Invalid=5464, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 03:44:02,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-02-04 03:44:02,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 367. [2018-02-04 03:44:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-02-04 03:44:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 391 transitions. [2018-02-04 03:44:02,476 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 391 transitions. Word has length 106 [2018-02-04 03:44:02,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:02,476 INFO L432 AbstractCegarLoop]: Abstraction has 367 states and 391 transitions. [2018-02-04 03:44:02,476 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:44:02,476 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 391 transitions. [2018-02-04 03:44:02,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:44:02,477 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:02,477 INFO L351 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:02,477 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:02,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1814602648, now seen corresponding path program 9 times [2018-02-04 03:44:02,477 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:02,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:03,726 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:03,726 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:44:03,726 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:03,727 INFO L182 omatonBuilderFactory]: Interpolants [59072#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 59073#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 59074#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 59075#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 59076#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 59077#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 59078#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 59079#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59080#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 59081#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 59082#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59083#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59084#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 59085#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 59086#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 59087#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59088#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59089#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 59090#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 59091#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59092#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 59093#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 59094#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 59095#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 59096#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 59097#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= 0 |main_#t~mem19|))), 59098#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 59099#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 59100#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 59101#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 59102#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 59103#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59104#(and (= 0 |main_#t~mem20.offset|) (= 12 (select |#length| |main_#t~mem20.base|))), 59105#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 59068#true, 59069#false, 59070#(= 1 (select |#valid| main_~head~0.base)), 59071#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:44:03,727 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:03,727 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:44:03,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:44:03,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1302, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:44:03,727 INFO L87 Difference]: Start difference. First operand 367 states and 391 transitions. Second operand 38 states. [2018-02-04 03:44:06,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:06,617 INFO L93 Difference]: Finished difference Result 466 states and 492 transitions. [2018-02-04 03:44:06,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:44:06,617 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 106 [2018-02-04 03:44:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:06,618 INFO L225 Difference]: With dead ends: 466 [2018-02-04 03:44:06,618 INFO L226 Difference]: Without dead ends: 466 [2018-02-04 03:44:06,619 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=340, Invalid=4082, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:44:06,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2018-02-04 03:44:06,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 368. [2018-02-04 03:44:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-02-04 03:44:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 392 transitions. [2018-02-04 03:44:06,621 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 392 transitions. Word has length 106 [2018-02-04 03:44:06,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:06,621 INFO L432 AbstractCegarLoop]: Abstraction has 368 states and 392 transitions. [2018-02-04 03:44:06,621 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:44:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 392 transitions. [2018-02-04 03:44:06,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:44:06,621 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:06,621 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:06,622 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:06,622 INFO L82 PathProgramCache]: Analyzing trace with hash 603095204, now seen corresponding path program 9 times [2018-02-04 03:44:06,622 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:06,637 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:07,889 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:07,889 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:07,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-02-04 03:44:07,890 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:07,890 INFO L182 omatonBuilderFactory]: Interpolants [60032#(and (or (and (<= (+ main_~x~0.offset 12) (select |#length| main_~x~0.base)) (= (select |#length| main_~x~0.base) 12)) (= main_~x~0.offset 0)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)))), 60033#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 60034#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 60035#(= 1 (select |#valid| |main_#t~mem22.base|)), 60036#(= 1 (select |#valid| main_~x~0.base)), 59998#true, 59999#false, 60000#(= 1 (select |#valid| main_~head~0.base)), 60001#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60002#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60003#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60004#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 60005#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 60006#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60007#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60008#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 12 (select |#length| |main_#t~malloc5.base|))), 60009#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60010#(and (= 12 (select |#length| |main_#t~mem7.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 60011#(and (= 12 (select |#length| |main_#t~mem9.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 60012#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60013#(and (= 12 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60014#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)), 60015#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 12)), 60016#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|)) (= (select |#length| main_~x~0.base) 12)), 60017#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0) |main_#t~mem9.base|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60018#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60019#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60020#(and (= 1 (select |#valid| |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 60021#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60022#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 60023#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0))) (not (= |main_#t~mem16.base| main_~head~0.base))), 60024#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60025#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 60026#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))), 60027#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (not (= 0 |main_#t~mem19|))), 60028#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 60029#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 60030#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (= 12 (select |#length| |main_#t~mem20.base|))), 60031#(and (or (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))))] [2018-02-04 03:44:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:07,890 INFO L409 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-02-04 03:44:07,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-02-04 03:44:07,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=1367, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 03:44:07,891 INFO L87 Difference]: Start difference. First operand 368 states and 392 transitions. Second operand 39 states. [2018-02-04 03:44:09,703 WARN L146 SmtUtils]: Spent 102ms on a formula simplification. DAG size of input: 118 DAG size of output 106 [2018-02-04 03:44:11,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:11,133 INFO L93 Difference]: Finished difference Result 444 states and 469 transitions. [2018-02-04 03:44:11,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:44:11,133 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 106 [2018-02-04 03:44:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:11,134 INFO L225 Difference]: With dead ends: 444 [2018-02-04 03:44:11,134 INFO L226 Difference]: Without dead ends: 444 [2018-02-04 03:44:11,134 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1377 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=542, Invalid=5464, Unknown=0, NotChecked=0, Total=6006 [2018-02-04 03:44:11,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2018-02-04 03:44:11,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 376. [2018-02-04 03:44:11,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-02-04 03:44:11,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 401 transitions. [2018-02-04 03:44:11,137 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 401 transitions. Word has length 106 [2018-02-04 03:44:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:11,137 INFO L432 AbstractCegarLoop]: Abstraction has 376 states and 401 transitions. [2018-02-04 03:44:11,137 INFO L433 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-02-04 03:44:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 401 transitions. [2018-02-04 03:44:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:44:11,137 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:11,137 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:11,138 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:11,138 INFO L82 PathProgramCache]: Analyzing trace with hash 603095205, now seen corresponding path program 7 times [2018-02-04 03:44:11,138 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:11,163 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:12,326 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:12,327 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 03:44:12,327 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:12,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:12,327 INFO L182 omatonBuilderFactory]: Interpolants [60935#true, 60936#false, 60937#(= 1 (select |#valid| main_~head~0.base)), 60938#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60939#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60940#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60941#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 60942#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 60943#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60944#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 60945#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 60946#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60947#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 60948#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 60949#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60950#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60951#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 60952#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 60953#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 60954#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem9.base|)) (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60955#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 60957#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc12.base|)) (= 12 (select |#length| |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 60958#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 60959#(and (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (= |main_#t~mem14.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 60960#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem16.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 60961#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))), 60962#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))), 60963#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))))))), 60964#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))))) (not (= 0 |main_#t~mem19|))), 60965#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 60966#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 60967#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 60968#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 60969#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 60970#(and (= 12 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 60971#(and (= 12 (select |#length| |main_#t~mem22.base|)) (= 0 |main_#t~mem22.offset|)), 60972#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 12))] [2018-02-04 03:44:12,328 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:12,328 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 03:44:12,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 03:44:12,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=1302, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:44:12,328 INFO L87 Difference]: Start difference. First operand 376 states and 401 transitions. Second operand 38 states. [2018-02-04 03:44:15,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:15,090 INFO L93 Difference]: Finished difference Result 469 states and 495 transitions. [2018-02-04 03:44:15,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:44:15,090 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 106 [2018-02-04 03:44:15,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:15,091 INFO L225 Difference]: With dead ends: 469 [2018-02-04 03:44:15,092 INFO L226 Difference]: Without dead ends: 469 [2018-02-04 03:44:15,092 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=340, Invalid=4082, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 03:44:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-02-04 03:44:15,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 376. [2018-02-04 03:44:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-02-04 03:44:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 400 transitions. [2018-02-04 03:44:15,094 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 400 transitions. Word has length 106 [2018-02-04 03:44:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:15,094 INFO L432 AbstractCegarLoop]: Abstraction has 376 states and 400 transitions. [2018-02-04 03:44:15,094 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 03:44:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 400 transitions. [2018-02-04 03:44:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:44:15,095 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:15,095 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:15,095 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:15,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1680782389, now seen corresponding path program 3 times [2018-02-04 03:44:15,095 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:15,112 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:44:15,794 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:15,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:44:15,794 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:15,794 INFO L182 omatonBuilderFactory]: Interpolants [61888#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 61889#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 61890#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 61891#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 61892#(and (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))), 61893#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61894#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem7.base|))), 61895#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61896#(and (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|))), 61897#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61898#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 61899#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61900#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base))), 61901#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61902#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 61903#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 61904#(or (not (= 0 |main_#t~mem19|)) (and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base))), 61905#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 61906#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 61907#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 61908#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)), 61909#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 61910#(= 0 |main_#t~mem27.offset|), 61876#true, 61877#false, 61878#(= 1 (select |#valid| main_~head~0.base)), 61879#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61880#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61881#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61882#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 61883#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|))), 61884#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 61885#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 61886#(and (= 0 |main_#t~malloc5.offset|) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base))), 61887#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))] [2018-02-04 03:44:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 03:44:15,795 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:44:15,795 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:44:15,795 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1076, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:44:15,795 INFO L87 Difference]: Start difference. First operand 376 states and 400 transitions. Second operand 35 states. [2018-02-04 03:44:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:17,474 INFO L93 Difference]: Finished difference Result 389 states and 412 transitions. [2018-02-04 03:44:17,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:44:17,474 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 106 [2018-02-04 03:44:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:17,475 INFO L225 Difference]: With dead ends: 389 [2018-02-04 03:44:17,475 INFO L226 Difference]: Without dead ends: 389 [2018-02-04 03:44:17,476 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=438, Invalid=3594, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:44:17,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-02-04 03:44:17,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 382. [2018-02-04 03:44:17,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-02-04 03:44:17,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 407 transitions. [2018-02-04 03:44:17,478 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 407 transitions. Word has length 106 [2018-02-04 03:44:17,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:17,478 INFO L432 AbstractCegarLoop]: Abstraction has 382 states and 407 transitions. [2018-02-04 03:44:17,478 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:44:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 407 transitions. [2018-02-04 03:44:17,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-02-04 03:44:17,478 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:17,478 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:17,479 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:17,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1680782390, now seen corresponding path program 4 times [2018-02-04 03:44:17,479 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:17,490 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:44:18,469 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:18,469 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-02-04 03:44:18,469 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:18,469 INFO L182 omatonBuilderFactory]: Interpolants [62740#true, 62741#false, 62742#(not (= 0 |main_#t~malloc0.base|)), 62743#(not (= 0 main_~head~0.base)), 62744#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 62745#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62746#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62747#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62748#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 62749#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.offset|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (not (= 0 main_~head~0.base))), 62750#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 62751#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 62752#(and (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 62753#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 62754#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|))), 62755#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem9.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= 0 main_~head~0.base))), 62756#(and (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62757#(and (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62758#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.offset|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc5.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 62759#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62760#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base |main_#t~mem7.base|))), 62761#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62762#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62763#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) main_~head~0.base) main_~head~0.offset))))), 62764#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62765#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 62766#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62767#(and (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62768#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62769#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 62770#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 62771#(or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 62772#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= |main_#t~mem20.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 62773#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 62774#(and (not (= main_~head~0.base |main_#t~mem22.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) |main_#t~mem22.base|) (not (= 0 main_~head~0.base))), 62775#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 62776#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 62777#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 62778#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (not (= 0 main_~head~0.base))), 62779#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|))) (not (= 0 main_~head~0.base))), 62780#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base))), 62781#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 62782#(= (select |#valid| |main_#t~mem27.base|) 1)] [2018-02-04 03:44:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 03:44:18,470 INFO L409 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-02-04 03:44:18,470 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-02-04 03:44:18,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1636, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:44:18,470 INFO L87 Difference]: Start difference. First operand 382 states and 407 transitions. Second operand 43 states. [2018-02-04 03:44:21,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:44:21,527 INFO L93 Difference]: Finished difference Result 395 states and 418 transitions. [2018-02-04 03:44:21,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 03:44:21,527 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 106 [2018-02-04 03:44:21,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:44:21,528 INFO L225 Difference]: With dead ends: 395 [2018-02-04 03:44:21,528 INFO L226 Difference]: Without dead ends: 395 [2018-02-04 03:44:21,528 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2141 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1058, Invalid=7872, Unknown=0, NotChecked=0, Total=8930 [2018-02-04 03:44:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-02-04 03:44:21,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 388. [2018-02-04 03:44:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-02-04 03:44:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 413 transitions. [2018-02-04 03:44:21,530 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 413 transitions. Word has length 106 [2018-02-04 03:44:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:44:21,530 INFO L432 AbstractCegarLoop]: Abstraction has 388 states and 413 transitions. [2018-02-04 03:44:21,530 INFO L433 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-02-04 03:44:21,530 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 413 transitions. [2018-02-04 03:44:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-02-04 03:44:21,531 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:44:21,531 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:44:21,531 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr54EnsuresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:44:21,531 INFO L82 PathProgramCache]: Analyzing trace with hash -198386903, now seen corresponding path program 4 times [2018-02-04 03:44:21,532 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:44:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:44:21,541 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:44:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:22,290 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:44:22,326 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 03:44:22,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:44:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:22,327 INFO L182 omatonBuilderFactory]: Interpolants [63680#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= main_~x~0.base |main_#t~malloc5.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc5.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0)), 63681#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 63682#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) (+ |main_#t~mem7.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem7.base|))), 63683#(and (= |main_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|))), 63684#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63685#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#valid| main_~x~0.base) 1)), 63686#(and (not (= main_~x~0.base |main_#t~malloc12.base|)) (not (= main_~head~0.base |main_#t~malloc12.base|)) (= 0 |main_#t~malloc12.offset|) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc12.base|)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc12.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 63687#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63688#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem14.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.offset)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem14.base| (store (select |#memory_$Pointer$.base| |main_#t~mem14.base|) (+ |main_#t~mem14.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base |main_#t~mem14.base|))), 63689#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem16.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem16.base| main_~head~0.base))), 63690#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))), 63691#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63692#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 8))))), 63693#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem19|))), 63694#(and (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem20.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))), 63695#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 63696#(or (and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 63697#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 63698#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))), 63699#(or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 63700#(or (not (= |main_#t~mem25.offset| 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) 0)))), 63701#(or (not (= main_~x~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))), 63702#(or (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))) (= main_~x~0.offset main_~head~0.offset)) (not (= main_~head~0.offset 0))), 63703#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset|)) (not (= main_~head~0.offset 0))), 63704#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 63705#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 63706#(= 0 |main_#t~mem27.offset|), 63670#true, 63671#false, 63672#(= 1 (select |#valid| main_~head~0.base)), 63673#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63674#(and (not (= main_~x~0.base |main_#t~malloc5.base|)) (= |main_#t~malloc5.offset| 0) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63675#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63676#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base |main_#t~mem7.base|))), 63677#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem9.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem9.base|)) (= |main_#t~mem9.offset| 0)), 63678#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 63679#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base)))] [2018-02-04 03:44:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:44:22,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 03:44:22,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 03:44:22,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1222, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:44:22,328 INFO L87 Difference]: Start difference. First operand 388 states and 413 transitions. Second operand 37 states. Received shutdown request... [2018-02-04 03:44:22,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:44:22,423 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:44:22,426 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:44:22,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:44:22 BoogieIcfgContainer [2018-02-04 03:44:22,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:44:22,427 INFO L168 Benchmark]: Toolchain (without parser) took 181623.86 ms. Allocated memory was 396.4 MB in the beginning and 1.1 GB in the end (delta: 699.9 MB). Free memory was 353.2 MB in the beginning and 369.1 MB in the end (delta: -15.8 MB). Peak memory consumption was 684.1 MB. Max. memory is 5.3 GB. [2018-02-04 03:44:22,428 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 396.4 MB. Free memory is still 359.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:44:22,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.91 ms. Allocated memory is still 396.4 MB. Free memory was 353.2 MB in the beginning and 341.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:44:22,428 INFO L168 Benchmark]: Boogie Preprocessor took 29.34 ms. Allocated memory is still 396.4 MB. Free memory was 341.3 MB in the beginning and 340.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. [2018-02-04 03:44:22,428 INFO L168 Benchmark]: RCFGBuilder took 397.36 ms. Allocated memory is still 396.4 MB. Free memory was 340.0 MB in the beginning and 304.6 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:44:22,428 INFO L168 Benchmark]: TraceAbstraction took 181025.90 ms. Allocated memory was 396.4 MB in the beginning and 1.1 GB in the end (delta: 699.9 MB). Free memory was 303.3 MB in the beginning and 369.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 634.2 MB. Max. memory is 5.3 GB. [2018-02-04 03:44:22,429 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 396.4 MB. Free memory is still 359.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.91 ms. Allocated memory is still 396.4 MB. Free memory was 353.2 MB in the beginning and 341.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.34 ms. Allocated memory is still 396.4 MB. Free memory was 341.3 MB in the beginning and 340.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 5.3 GB. * RCFGBuilder took 397.36 ms. Allocated memory is still 396.4 MB. Free memory was 340.0 MB in the beginning and 304.6 MB in the end (delta: 35.3 MB). Peak memory consumption was 35.3 MB. Max. memory is 5.3 GB. * TraceAbstraction took 181025.90 ms. Allocated memory was 396.4 MB in the beginning and 1.1 GB in the end (delta: 699.9 MB). Free memory was 303.3 MB in the beginning and 369.1 MB in the end (delta: -65.8 MB). Peak memory consumption was 634.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1010). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 996). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1006). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1025). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1019). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 990]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 990). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1037). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1010). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 995). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1011). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1013). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1038). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1012). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1005). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1024). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1036). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (388states) and interpolant automaton (currently 5 states, 37 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 38 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 131 locations, 55 error locations. TIMEOUT Result, 180.9s OverallTime, 103 OverallIterations, 5 TraceHistogramMax, 125.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7437 SDtfs, 42654 SDslu, 98940 SDs, 0 SdLazy, 129765 SolverSat, 9644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5265 GetRequests, 423 SyntacticMatches, 110 SemanticMatches, 4731 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63704 ImplicationChecksByTransitivity, 105.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=388occurred in iteration=102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 213/3038 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 102 MinimizatonAttempts, 4426 StatesRemovedByMinimization, 99 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 51.7s InterpolantComputationTime, 7272 NumberOfCodeBlocks, 7272 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 7169 ConstructedInterpolants, 0 QuantifiedInterpolants, 17736416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 19 PerfectInterpolantSequences, 213/3038 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-44-22-434.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-44-22-434.csv Completed graceful shutdown