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/sll-token_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 17:10:13,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 17:10:13,101 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 17:10:13,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 17:10:13,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 17:10:13,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 17:10:13,115 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 17:10:13,116 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 17:10:13,118 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 17:10:13,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 17:10:13,119 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 17:10:13,119 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 17:10:13,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 17:10:13,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 17:10:13,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 17:10:13,123 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 17:10:13,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 17:10:13,127 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 17:10:13,128 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 17:10:13,129 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 17:10:13,130 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 17:10:13,130 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 17:10:13,131 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 17:10:13,132 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 17:10:13,132 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 17:10:13,133 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 17:10:13,133 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 17:10:13,134 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 17:10:13,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 17:10:13,134 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 17:10:13,135 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 17:10:13,135 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 17:10:13,144 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 17:10:13,145 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 17:10:13,146 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 17:10:13,146 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 17:10:13,146 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 17:10:13,147 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 17:10:13,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 17:10:13,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 17:10:13,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 17:10:13,174 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 17:10:13,185 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 17:10:13,188 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 17:10:13,190 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 17:10:13,190 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 17:10:13,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 17:10:13,333 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 17:10:13,334 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 17:10:13,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 17:10:13,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 17:10:13,340 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 17:10:13,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbec137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13, skipping insertion in model container [2018-02-04 17:10:13,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,356 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 17:10:13,385 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 17:10:13,483 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 17:10:13,496 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 17:10:13,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13 WrapperNode [2018-02-04 17:10:13,502 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 17:10:13,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 17:10:13,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 17:10:13,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 17:10:13,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (1/1) ... [2018-02-04 17:10:13,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 17:10:13,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 17:10:13,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 17:10:13,526 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 17:10:13,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (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 17:10:13,563 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 17:10:13,563 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 17:10:13,563 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 17:10:13,563 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 17:10:13,563 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 17:10:13,563 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 17:10:13,563 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 17:10:13,563 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 17:10:13,564 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 17:10:13,565 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 17:10:13,565 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 17:10:13,853 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 17:10:13,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 05:10:13 BoogieIcfgContainer [2018-02-04 17:10:13,854 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 17:10:13,854 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 17:10:13,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 17:10:13,856 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 17:10:13,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 05:10:13" (1/3) ... [2018-02-04 17:10:13,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f0de61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 05:10:13, skipping insertion in model container [2018-02-04 17:10:13,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 05:10:13" (2/3) ... [2018-02-04 17:10:13,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f0de61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 05:10:13, skipping insertion in model container [2018-02-04 17:10:13,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 05:10:13" (3/3) ... [2018-02-04 17:10:13,858 INFO L107 eAbstractionObserver]: Analyzing ICFG sll-token_true-unreach-call_true-valid-memsafety.i [2018-02-04 17:10:13,863 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 17:10:13,869 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 45 error locations. [2018-02-04 17:10:13,891 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 17:10:13,892 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 17:10:13,892 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 17:10:13,892 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 17:10:13,892 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 17:10:13,892 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 17:10:13,892 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 17:10:13,892 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 17:10:13,893 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 17:10:13,903 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2018-02-04 17:10:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 17:10:13,910 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:13,910 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:13,910 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:13,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1807775718, now seen corresponding path program 1 times [2018-02-04 17:10:13,945 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:13,979 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:14,034 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 17:10:14,036 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:14,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 17:10:14,037 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:14,038 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 17:10:14,038 INFO L182 omatonBuilderFactory]: Interpolants [117#true, 118#false, 119#(= 1 (select |#valid| |main_#t~malloc0.base|)), 120#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 17:10:14,038 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 17:10:14,039 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 17:10:14,051 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 17:10:14,052 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 17:10:14,054 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 4 states. [2018-02-04 17:10:14,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:14,290 INFO L93 Difference]: Finished difference Result 136 states and 139 transitions. [2018-02-04 17:10:14,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 17:10:14,292 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 17:10:14,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:14,301 INFO L225 Difference]: With dead ends: 136 [2018-02-04 17:10:14,301 INFO L226 Difference]: Without dead ends: 133 [2018-02-04 17:10:14,302 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 17:10:14,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-02-04 17:10:14,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 109. [2018-02-04 17:10:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-02-04 17:10:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 111 transitions. [2018-02-04 17:10:14,336 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 111 transitions. Word has length 8 [2018-02-04 17:10:14,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:14,336 INFO L432 AbstractCegarLoop]: Abstraction has 109 states and 111 transitions. [2018-02-04 17:10:14,337 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 17:10:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 111 transitions. [2018-02-04 17:10:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 17:10:14,337 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:14,337 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:14,337 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:14,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1807775717, now seen corresponding path program 1 times [2018-02-04 17:10:14,339 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:14,349 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:14,387 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 17:10:14,387 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:14,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 17:10:14,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:14,388 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 17:10:14,388 INFO L182 omatonBuilderFactory]: Interpolants [368#true, 369#false, 370#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 371#(and (= (select |#length| main_~head~0.base) 8) (= main_~head~0.offset 0))] [2018-02-04 17:10:14,388 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 17:10:14,390 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 17:10:14,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 17:10:14,390 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 17:10:14,390 INFO L87 Difference]: Start difference. First operand 109 states and 111 transitions. Second operand 4 states. [2018-02-04 17:10:14,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:14,478 INFO L93 Difference]: Finished difference Result 131 states and 133 transitions. [2018-02-04 17:10:14,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 17:10:14,479 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 17:10:14,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:14,480 INFO L225 Difference]: With dead ends: 131 [2018-02-04 17:10:14,480 INFO L226 Difference]: Without dead ends: 131 [2018-02-04 17:10:14,481 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 17:10:14,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-02-04 17:10:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 107. [2018-02-04 17:10:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-02-04 17:10:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 109 transitions. [2018-02-04 17:10:14,488 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 109 transitions. Word has length 8 [2018-02-04 17:10:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:14,488 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 109 transitions. [2018-02-04 17:10:14,488 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 17:10:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 109 transitions. [2018-02-04 17:10:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 17:10:14,489 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:14,489 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:14,489 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:14,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1410075710, now seen corresponding path program 1 times [2018-02-04 17:10:14,490 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:14,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:14,529 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 17:10:14,530 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:14,530 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 17:10:14,530 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:14,530 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 17:10:14,530 INFO L182 omatonBuilderFactory]: Interpolants [612#true, 613#false, 614#(= 1 (select |#valid| main_~head~0.base)), 615#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:14,530 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 17:10:14,531 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 17:10:14,531 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 17:10:14,531 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 17:10:14,531 INFO L87 Difference]: Start difference. First operand 107 states and 109 transitions. Second operand 4 states. [2018-02-04 17:10:14,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:14,622 INFO L93 Difference]: Finished difference Result 111 states and 114 transitions. [2018-02-04 17:10:14,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 17:10:14,623 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-02-04 17:10:14,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:14,623 INFO L225 Difference]: With dead ends: 111 [2018-02-04 17:10:14,623 INFO L226 Difference]: Without dead ends: 111 [2018-02-04 17:10:14,624 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 17:10:14,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-02-04 17:10:14,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 98. [2018-02-04 17:10:14,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-02-04 17:10:14,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 102 transitions. [2018-02-04 17:10:14,627 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 102 transitions. Word has length 14 [2018-02-04 17:10:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:14,627 INFO L432 AbstractCegarLoop]: Abstraction has 98 states and 102 transitions. [2018-02-04 17:10:14,627 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 17:10:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2018-02-04 17:10:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-04 17:10:14,627 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:14,627 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:14,627 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:14,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1410075709, now seen corresponding path program 1 times [2018-02-04 17:10:14,628 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:14,640 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:14,702 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 17:10:14,703 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:14,703 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 17:10:14,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:14,703 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 17:10:14,703 INFO L182 omatonBuilderFactory]: Interpolants [827#true, 828#false, 829#(and (= 8 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 830#(and (= 0 main_~head~0.offset) (= 8 (select |#length| main_~head~0.base))), 831#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:14,704 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 17:10:14,704 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 17:10:14,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 17:10:14,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 17:10:14,705 INFO L87 Difference]: Start difference. First operand 98 states and 102 transitions. Second operand 5 states. [2018-02-04 17:10:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:14,860 INFO L93 Difference]: Finished difference Result 166 states and 170 transitions. [2018-02-04 17:10:14,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 17:10:14,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-02-04 17:10:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:14,862 INFO L225 Difference]: With dead ends: 166 [2018-02-04 17:10:14,862 INFO L226 Difference]: Without dead ends: 166 [2018-02-04 17:10:14,862 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 17:10:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-02-04 17:10:14,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 131. [2018-02-04 17:10:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-02-04 17:10:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 139 transitions. [2018-02-04 17:10:14,869 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 139 transitions. Word has length 14 [2018-02-04 17:10:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:14,870 INFO L432 AbstractCegarLoop]: Abstraction has 131 states and 139 transitions. [2018-02-04 17:10:14,870 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 17:10:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 139 transitions. [2018-02-04 17:10:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 17:10:14,870 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:14,871 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 17:10:14,871 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:14,871 INFO L82 PathProgramCache]: Analyzing trace with hash -444857017, now seen corresponding path program 1 times [2018-02-04 17:10:14,872 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:14,888 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:14,940 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 17:10:14,940 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:14,940 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 17:10:14,940 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:14,940 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 17:10:14,940 INFO L182 omatonBuilderFactory]: Interpolants [1136#(and (= 8 (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))), 1137#(and (= |main_#t~mem11.offset| 0) (= (select |#length| |main_#t~mem11.base|) 8)), 1133#true, 1134#false, 1135#(and (= 0 |main_#t~malloc9.offset|) (= 8 (select |#length| |main_#t~malloc9.base|)))] [2018-02-04 17:10:14,940 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 17:10:14,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 17:10:14,941 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 17:10:14,941 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 17:10:14,941 INFO L87 Difference]: Start difference. First operand 131 states and 139 transitions. Second operand 5 states. [2018-02-04 17:10:15,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:15,070 INFO L93 Difference]: Finished difference Result 130 states and 138 transitions. [2018-02-04 17:10:15,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 17:10:15,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 17:10:15,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:15,072 INFO L225 Difference]: With dead ends: 130 [2018-02-04 17:10:15,072 INFO L226 Difference]: Without dead ends: 130 [2018-02-04 17:10:15,072 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 17:10:15,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-02-04 17:10:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-02-04 17:10:15,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-02-04 17:10:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2018-02-04 17:10:15,079 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 18 [2018-02-04 17:10:15,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:15,079 INFO L432 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2018-02-04 17:10:15,080 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 17:10:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2018-02-04 17:10:15,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 17:10:15,080 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:15,080 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 17:10:15,080 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:15,080 INFO L82 PathProgramCache]: Analyzing trace with hash -444857018, now seen corresponding path program 1 times [2018-02-04 17:10:15,081 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:15,091 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:15,120 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 17:10:15,120 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:15,121 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 17:10:15,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:15,121 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 17:10:15,121 INFO L182 omatonBuilderFactory]: Interpolants [1408#(= 1 (select |#valid| |main_#t~mem11.base|)), 1404#true, 1405#false, 1406#(= 1 (select |#valid| |main_#t~malloc9.base|)), 1407#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 17:10:15,121 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 17:10:15,122 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 17:10:15,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 17:10:15,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 17:10:15,122 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand 5 states. [2018-02-04 17:10:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:15,215 INFO L93 Difference]: Finished difference Result 131 states and 137 transitions. [2018-02-04 17:10:15,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 17:10:15,216 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-04 17:10:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:15,216 INFO L225 Difference]: With dead ends: 131 [2018-02-04 17:10:15,216 INFO L226 Difference]: Without dead ends: 131 [2018-02-04 17:10:15,216 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 17:10:15,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-02-04 17:10:15,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 129. [2018-02-04 17:10:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-02-04 17:10:15,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 137 transitions. [2018-02-04 17:10:15,220 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 137 transitions. Word has length 18 [2018-02-04 17:10:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:15,220 INFO L432 AbstractCegarLoop]: Abstraction has 129 states and 137 transitions. [2018-02-04 17:10:15,220 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 17:10:15,220 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 137 transitions. [2018-02-04 17:10:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 17:10:15,221 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:15,221 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 17:10:15,221 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:15,221 INFO L82 PathProgramCache]: Analyzing trace with hash -418196060, now seen corresponding path program 1 times [2018-02-04 17:10:15,222 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:15,231 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:15,257 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 17:10:15,257 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:15,257 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 17:10:15,257 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:15,257 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 17:10:15,258 INFO L182 omatonBuilderFactory]: Interpolants [1680#(= 1 (select |#valid| main_~x~0.base)), 1675#true, 1676#false, 1677#(= 1 (select |#valid| |main_#t~malloc4.base|)), 1678#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 1679#(= 1 (select |#valid| |main_#t~mem6.base|))] [2018-02-04 17:10:15,258 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 17:10:15,258 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 17:10:15,258 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 17:10:15,258 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 17:10:15,258 INFO L87 Difference]: Start difference. First operand 129 states and 137 transitions. Second operand 6 states. [2018-02-04 17:10:15,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:15,416 INFO L93 Difference]: Finished difference Result 188 states and 199 transitions. [2018-02-04 17:10:15,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 17:10:15,416 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 17:10:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:15,417 INFO L225 Difference]: With dead ends: 188 [2018-02-04 17:10:15,417 INFO L226 Difference]: Without dead ends: 188 [2018-02-04 17:10:15,417 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-02-04 17:10:15,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-02-04 17:10:15,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 128. [2018-02-04 17:10:15,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-02-04 17:10:15,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-02-04 17:10:15,420 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 18 [2018-02-04 17:10:15,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:15,420 INFO L432 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-02-04 17:10:15,420 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 17:10:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-02-04 17:10:15,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-04 17:10:15,421 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:15,421 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 17:10:15,421 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:15,421 INFO L82 PathProgramCache]: Analyzing trace with hash -418196059, now seen corresponding path program 1 times [2018-02-04 17:10:15,421 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:15,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:15,481 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 17:10:15,482 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:15,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 17:10:15,482 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:15,482 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 17:10:15,482 INFO L182 omatonBuilderFactory]: Interpolants [2004#true, 2005#false, 2006#(and (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 2007#(and (= 8 (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))), 2008#(and (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|))), 2009#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:15,483 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 17:10:15,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 17:10:15,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 17:10:15,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 17:10:15,483 INFO L87 Difference]: Start difference. First operand 128 states and 136 transitions. Second operand 6 states. [2018-02-04 17:10:15,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:15,660 INFO L93 Difference]: Finished difference Result 210 states and 224 transitions. [2018-02-04 17:10:15,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 17:10:15,660 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2018-02-04 17:10:15,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:15,661 INFO L225 Difference]: With dead ends: 210 [2018-02-04 17:10:15,661 INFO L226 Difference]: Without dead ends: 210 [2018-02-04 17:10:15,662 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-02-04 17:10:15,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-02-04 17:10:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 112. [2018-02-04 17:10:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-04 17:10:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 119 transitions. [2018-02-04 17:10:15,666 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 119 transitions. Word has length 18 [2018-02-04 17:10:15,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:15,666 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 119 transitions. [2018-02-04 17:10:15,666 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 17:10:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-02-04 17:10:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 17:10:15,667 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:15,667 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] [2018-02-04 17:10:15,667 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1163379848, now seen corresponding path program 1 times [2018-02-04 17:10:15,668 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:15,686 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:15,771 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 17:10:15,772 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:15,772 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 17:10:15,772 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:15,772 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 17:10:15,772 INFO L182 omatonBuilderFactory]: Interpolants [2352#(= 1 (select |#valid| |main_#t~mem17.base|)), 2353#(= 1 (select |#valid| main_~x~0.base)), 2343#true, 2344#false, 2345#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2346#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 2347#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2348#(and (= 1 (select |#valid| (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))) (= main_~x~0.base main_~head~0.base)), 2349#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 2350#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 2351#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 17:10:15,772 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 17:10:15,773 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 17:10:15,773 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 17:10:15,773 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-02-04 17:10:15,773 INFO L87 Difference]: Start difference. First operand 112 states and 119 transitions. Second operand 11 states. [2018-02-04 17:10:16,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:16,087 INFO L93 Difference]: Finished difference Result 196 states and 203 transitions. [2018-02-04 17:10:16,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 17:10:16,087 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-02-04 17:10:16,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:16,088 INFO L225 Difference]: With dead ends: 196 [2018-02-04 17:10:16,088 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 17:10:16,089 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-02-04 17:10:16,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 17:10:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 135. [2018-02-04 17:10:16,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 17:10:16,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 145 transitions. [2018-02-04 17:10:16,093 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 145 transitions. Word has length 33 [2018-02-04 17:10:16,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:16,094 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 145 transitions. [2018-02-04 17:10:16,094 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 17:10:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2018-02-04 17:10:16,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 17:10:16,095 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:16,095 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] [2018-02-04 17:10:16,095 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:16,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1163379847, now seen corresponding path program 1 times [2018-02-04 17:10:16,096 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:16,110 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:16,228 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 17:10:16,229 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:16,229 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 17:10:16,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:16,229 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 17:10:16,229 INFO L182 omatonBuilderFactory]: Interpolants [2704#(and (= 8 (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)), 2705#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 2706#(and (= 8 (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))), 2707#(and (= 8 (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))), 2708#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 2709#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 2699#true, 2700#false, 2701#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 2702#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 2703#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 17:10:16,230 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 17:10:16,230 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 17:10:16,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 17:10:16,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2018-02-04 17:10:16,230 INFO L87 Difference]: Start difference. First operand 135 states and 145 transitions. Second operand 11 states. [2018-02-04 17:10:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:16,613 INFO L93 Difference]: Finished difference Result 226 states and 232 transitions. [2018-02-04 17:10:16,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 17:10:16,617 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 33 [2018-02-04 17:10:16,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:16,618 INFO L225 Difference]: With dead ends: 226 [2018-02-04 17:10:16,618 INFO L226 Difference]: Without dead ends: 226 [2018-02-04 17:10:16,619 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2018-02-04 17:10:16,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-04 17:10:16,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 135. [2018-02-04 17:10:16,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 17:10:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 144 transitions. [2018-02-04 17:10:16,622 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 144 transitions. Word has length 33 [2018-02-04 17:10:16,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:16,622 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 144 transitions. [2018-02-04 17:10:16,622 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 17:10:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 144 transitions. [2018-02-04 17:10:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 17:10:16,623 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:16,624 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] [2018-02-04 17:10:16,624 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:16,624 INFO L82 PathProgramCache]: Analyzing trace with hash 713889595, now seen corresponding path program 1 times [2018-02-04 17:10:16,625 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:16,635 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:16,755 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 17:10:16,756 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:16,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 17:10:16,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:16,756 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 17:10:16,756 INFO L182 omatonBuilderFactory]: Interpolants [3085#true, 3086#false, 3087#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3088#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3089#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3090#(and (= 1 (select |#valid| (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))) (= main_~x~0.base main_~head~0.base)), 3091#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 3092#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 3093#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3094#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3095#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 3096#(= 1 (select |#valid| |main_#t~mem15.base|)), 3097#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:16,757 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 17:10:16,757 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 17:10:16,757 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 17:10:16,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2018-02-04 17:10:16,757 INFO L87 Difference]: Start difference. First operand 135 states and 144 transitions. Second operand 13 states. [2018-02-04 17:10:17,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:17,143 INFO L93 Difference]: Finished difference Result 198 states and 205 transitions. [2018-02-04 17:10:17,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 17:10:17,143 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-02-04 17:10:17,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:17,144 INFO L225 Difference]: With dead ends: 198 [2018-02-04 17:10:17,144 INFO L226 Difference]: Without dead ends: 198 [2018-02-04 17:10:17,144 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2018-02-04 17:10:17,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-02-04 17:10:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 143. [2018-02-04 17:10:17,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-02-04 17:10:17,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 153 transitions. [2018-02-04 17:10:17,146 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 153 transitions. Word has length 33 [2018-02-04 17:10:17,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:17,146 INFO L432 AbstractCegarLoop]: Abstraction has 143 states and 153 transitions. [2018-02-04 17:10:17,146 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 17:10:17,146 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2018-02-04 17:10:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 17:10:17,147 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:17,147 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] [2018-02-04 17:10:17,147 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:17,147 INFO L82 PathProgramCache]: Analyzing trace with hash 713889596, now seen corresponding path program 1 times [2018-02-04 17:10:17,147 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:17,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:17,316 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 17:10:17,316 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:17,316 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 17:10:17,316 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:17,316 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 17:10:17,317 INFO L182 omatonBuilderFactory]: Interpolants [3457#true, 3458#false, 3459#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3460#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 3461#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= 8 (select |#length| |main_#t~malloc9.base|)) (= main_~x~0.base main_~head~0.base)), 3462#(and (= 8 (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)), 3463#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3464#(and (= 8 (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))), 3465#(and (= 8 (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))), 3466#(or (and (= 8 (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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 3467#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)))), 3468#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 3469#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:17,317 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 17:10:17,317 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 17:10:17,317 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 17:10:17,317 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 17:10:17,317 INFO L87 Difference]: Start difference. First operand 143 states and 153 transitions. Second operand 13 states. [2018-02-04 17:10:17,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:17,764 INFO L93 Difference]: Finished difference Result 238 states and 245 transitions. [2018-02-04 17:10:17,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 17:10:17,765 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 33 [2018-02-04 17:10:17,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:17,765 INFO L225 Difference]: With dead ends: 238 [2018-02-04 17:10:17,765 INFO L226 Difference]: Without dead ends: 238 [2018-02-04 17:10:17,766 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-02-04 17:10:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-02-04 17:10:17,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 141. [2018-02-04 17:10:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-02-04 17:10:17,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2018-02-04 17:10:17,768 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 33 [2018-02-04 17:10:17,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:17,768 INFO L432 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2018-02-04 17:10:17,768 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 17:10:17,768 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2018-02-04 17:10:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 17:10:17,769 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:17,769 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] [2018-02-04 17:10:17,769 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash 2119038797, now seen corresponding path program 1 times [2018-02-04 17:10:17,769 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:17,778 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:18,012 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 17:10:18,013 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:18,013 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:10:18,013 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:18,014 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 17:10:18,014 INFO L182 omatonBuilderFactory]: Interpolants [3872#(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)), 3873#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3874#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 3875#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3876#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (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 4))))), 3877#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|))), 3878#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 3879#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 3880#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 3865#true, 3866#false, 3867#(= 0 |main_#t~malloc0.offset|), 3868#(= main_~head~0.offset 0), 3869#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 3870#(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)), 3871#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 17:10:18,014 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 17:10:18,014 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 17:10:18,014 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 17:10:18,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2018-02-04 17:10:18,015 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand 16 states. [2018-02-04 17:10:18,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:18,544 INFO L93 Difference]: Finished difference Result 219 states and 224 transitions. [2018-02-04 17:10:18,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 17:10:18,544 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-02-04 17:10:18,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:18,545 INFO L225 Difference]: With dead ends: 219 [2018-02-04 17:10:18,545 INFO L226 Difference]: Without dead ends: 219 [2018-02-04 17:10:18,545 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 17:10:18,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-02-04 17:10:18,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 158. [2018-02-04 17:10:18,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-02-04 17:10:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 171 transitions. [2018-02-04 17:10:18,549 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 171 transitions. Word has length 42 [2018-02-04 17:10:18,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:18,549 INFO L432 AbstractCegarLoop]: Abstraction has 158 states and 171 transitions. [2018-02-04 17:10:18,549 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 17:10:18,550 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2018-02-04 17:10:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-02-04 17:10:18,551 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:18,551 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] [2018-02-04 17:10:18,551 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:18,551 INFO L82 PathProgramCache]: Analyzing trace with hash -298659056, now seen corresponding path program 2 times [2018-02-04 17:10:18,552 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:18,563 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:18,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:18,738 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:18,738 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:10:18,738 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:18,738 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 17:10:18,738 INFO L182 omatonBuilderFactory]: Interpolants [4296#true, 4297#false, 4298#(= 0 |main_#t~malloc0.offset|), 4299#(= main_~head~0.offset 0), 4300#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4301#(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)), 4302#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 4303#(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)), 4304#(and (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4305#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)) 2) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 4306#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 4307#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (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 4))))), 4308#(or (and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (not (= 0 |main_#t~mem14|))), 4309#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 4310#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 4311#(= |main_#t~mem14| 2)] [2018-02-04 17:10:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:18,738 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 17:10:18,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 17:10:18,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-02-04 17:10:18,739 INFO L87 Difference]: Start difference. First operand 158 states and 171 transitions. Second operand 16 states. [2018-02-04 17:10:19,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:19,209 INFO L93 Difference]: Finished difference Result 204 states and 208 transitions. [2018-02-04 17:10:19,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 17:10:19,209 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 42 [2018-02-04 17:10:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:19,210 INFO L225 Difference]: With dead ends: 204 [2018-02-04 17:10:19,210 INFO L226 Difference]: Without dead ends: 192 [2018-02-04 17:10:19,211 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=244, Invalid=748, Unknown=0, NotChecked=0, Total=992 [2018-02-04 17:10:19,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-02-04 17:10:19,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 135. [2018-02-04 17:10:19,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-02-04 17:10:19,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2018-02-04 17:10:19,214 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 42 [2018-02-04 17:10:19,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:19,214 INFO L432 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2018-02-04 17:10:19,214 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 17:10:19,214 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-02-04 17:10:19,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:19,215 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:19,216 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] [2018-02-04 17:10:19,216 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:19,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1802626187, now seen corresponding path program 1 times [2018-02-04 17:10:19,216 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:19,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:19,410 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 17:10:19,410 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:19,410 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 17:10:19,410 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:19,410 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 17:10:19,410 INFO L182 omatonBuilderFactory]: Interpolants [4683#true, 4684#false, 4685#(not (= 0 |main_#t~malloc0.base|)), 4686#(not (= 0 main_~head~0.base)), 4687#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4688#(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)), 4689#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 4690#(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)), 4691#(and (not (= |main_#t~mem11.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))), 4692#(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))), 4693#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem17.base|) (not (= 0 main_~head~0.base))), 4694#(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))), 4695#(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))), 4696#(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))), 4697#(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))), 4698#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 4699#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 4700#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:19,411 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 17:10:19,411 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 17:10:19,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 17:10:19,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-02-04 17:10:19,411 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand 18 states. [2018-02-04 17:10:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:19,841 INFO L93 Difference]: Finished difference Result 213 states and 217 transitions. [2018-02-04 17:10:19,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 17:10:19,841 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-02-04 17:10:19,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:19,842 INFO L225 Difference]: With dead ends: 213 [2018-02-04 17:10:19,842 INFO L226 Difference]: Without dead ends: 213 [2018-02-04 17:10:19,842 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=920, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 17:10:19,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-02-04 17:10:19,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 146. [2018-02-04 17:10:19,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-02-04 17:10:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2018-02-04 17:10:19,845 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 44 [2018-02-04 17:10:19,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:19,845 INFO L432 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2018-02-04 17:10:19,845 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 17:10:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2018-02-04 17:10:19,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:19,846 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:19,846 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] [2018-02-04 17:10:19,846 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:19,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1802626186, now seen corresponding path program 1 times [2018-02-04 17:10:19,847 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:19,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:19,857 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:20,008 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 17:10:20,008 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:20,008 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 17:10:20,008 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:20,008 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 17:10:20,008 INFO L182 omatonBuilderFactory]: Interpolants [5094#true, 5095#false, 5096#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5097#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5098#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 5099#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 5100#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5101#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 5102#(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)), 5103#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem17.offset|) (= |main_#t~mem17.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))), 5104#(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| main_~head~0.base) main_~head~0.offset))), 5105#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (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))), 5106#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (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))), 5107#(and (= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 5108#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:10:20,008 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 17:10:20,009 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 17:10:20,009 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 17:10:20,009 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2018-02-04 17:10:20,009 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand 15 states. [2018-02-04 17:10:20,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:20,365 INFO L93 Difference]: Finished difference Result 189 states and 193 transitions. [2018-02-04 17:10:20,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 17:10:20,365 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-02-04 17:10:20,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:20,366 INFO L225 Difference]: With dead ends: 189 [2018-02-04 17:10:20,366 INFO L226 Difference]: Without dead ends: 189 [2018-02-04 17:10:20,366 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:10:20,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-02-04 17:10:20,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 148. [2018-02-04 17:10:20,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-02-04 17:10:20,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 158 transitions. [2018-02-04 17:10:20,368 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 158 transitions. Word has length 44 [2018-02-04 17:10:20,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:20,368 INFO L432 AbstractCegarLoop]: Abstraction has 148 states and 158 transitions. [2018-02-04 17:10:20,368 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 17:10:20,369 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 158 transitions. [2018-02-04 17:10:20,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:20,369 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:20,369 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] [2018-02-04 17:10:20,369 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:20,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1061401105, now seen corresponding path program 1 times [2018-02-04 17:10:20,370 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:20,376 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:20,482 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 17:10:20,483 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:20,483 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 17:10:20,483 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:20,483 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 17:10:20,483 INFO L182 omatonBuilderFactory]: Interpolants [5472#(= (select |#valid| main_~head~0.base) 1), 5473#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5474#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 5475#(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) (= (select |#valid| main_~x~0.base) 1)), 5476#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 5477#(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))), 5478#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))), 5479#(and (= 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_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 5480#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 5481#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 5482#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 5483#(= 1 (select |#valid| |main_#t~mem17.base|)), 5484#(= 1 (select |#valid| main_~x~0.base)), 5470#true, 5471#false] [2018-02-04 17:10:20,483 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 17:10:20,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 17:10:20,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 17:10:20,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-02-04 17:10:20,484 INFO L87 Difference]: Start difference. First operand 148 states and 158 transitions. Second operand 15 states. [2018-02-04 17:10:20,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:20,960 INFO L93 Difference]: Finished difference Result 243 states and 257 transitions. [2018-02-04 17:10:20,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 17:10:20,960 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 44 [2018-02-04 17:10:20,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:20,961 INFO L225 Difference]: With dead ends: 243 [2018-02-04 17:10:20,961 INFO L226 Difference]: Without dead ends: 243 [2018-02-04 17:10:20,961 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=633, Unknown=0, NotChecked=0, Total=812 [2018-02-04 17:10:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-02-04 17:10:20,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 179. [2018-02-04 17:10:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 17:10:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 192 transitions. [2018-02-04 17:10:20,964 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 192 transitions. Word has length 44 [2018-02-04 17:10:20,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:20,964 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 192 transitions. [2018-02-04 17:10:20,964 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 17:10:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 192 transitions. [2018-02-04 17:10:20,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:20,964 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:20,965 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] [2018-02-04 17:10:20,965 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:20,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1061401106, now seen corresponding path program 1 times [2018-02-04 17:10:20,965 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:20,975 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:21,163 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 17:10:21,163 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:21,163 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 17:10:21,163 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:21,164 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 17:10:21,164 INFO L182 omatonBuilderFactory]: Interpolants [5935#true, 5936#false, 5937#(= (select |#valid| main_~head~0.base) 1), 5938#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 5939#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 5940#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 5941#(and (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5942#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (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))), 5943#(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)) (= 8 (select |#length| main_~x~0.base)) (= (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))), 5944#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base))), 5945#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (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))), 5946#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 5947#(and (= 8 (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))), 5948#(and (= 8 (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))), 5949#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 5950#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:10:21,164 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 17:10:21,164 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 17:10:21,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 17:10:21,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-02-04 17:10:21,165 INFO L87 Difference]: Start difference. First operand 179 states and 192 transitions. Second operand 16 states. [2018-02-04 17:10:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:21,749 INFO L93 Difference]: Finished difference Result 273 states and 286 transitions. [2018-02-04 17:10:21,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 17:10:21,749 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 44 [2018-02-04 17:10:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:21,750 INFO L225 Difference]: With dead ends: 273 [2018-02-04 17:10:21,750 INFO L226 Difference]: Without dead ends: 273 [2018-02-04 17:10:21,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:10:21,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-02-04 17:10:21,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 179. [2018-02-04 17:10:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-02-04 17:10:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 191 transitions. [2018-02-04 17:10:21,752 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 191 transitions. Word has length 44 [2018-02-04 17:10:21,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:21,752 INFO L432 AbstractCegarLoop]: Abstraction has 179 states and 191 transitions. [2018-02-04 17:10:21,753 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 17:10:21,753 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 191 transitions. [2018-02-04 17:10:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:21,753 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:21,753 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] [2018-02-04 17:10:21,753 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:21,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1356296748, now seen corresponding path program 1 times [2018-02-04 17:10:21,754 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:21,763 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:21,938 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 17:10:21,939 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:21,939 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:10:21,939 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:21,939 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 17:10:21,940 INFO L182 omatonBuilderFactory]: Interpolants [6432#(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) (= (select |#valid| main_~x~0.base) 1)), 6433#(and (= |main_#t~mem6.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~mem6.base|))), 6434#(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))), 6435#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))), 6436#(and (= 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_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 6437#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 6438#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 6439#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 6440#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 6441#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 6442#(= 1 (select |#valid| |main_#t~mem15.base|)), 6443#(= 1 (select |#valid| main_~x~0.base)), 6427#true, 6428#false, 6429#(= 1 (select |#valid| main_~head~0.base)), 6430#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6431#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 17:10:21,940 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 17:10:21,940 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 17:10:21,940 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 17:10:21,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2018-02-04 17:10:21,940 INFO L87 Difference]: Start difference. First operand 179 states and 191 transitions. Second operand 17 states. [2018-02-04 17:10:22,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:22,603 INFO L93 Difference]: Finished difference Result 245 states and 259 transitions. [2018-02-04 17:10:22,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:10:22,603 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 44 [2018-02-04 17:10:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:22,603 INFO L225 Difference]: With dead ends: 245 [2018-02-04 17:10:22,603 INFO L226 Difference]: Without dead ends: 245 [2018-02-04 17:10:22,604 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=223, Invalid=899, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:10:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-02-04 17:10:22,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 187. [2018-02-04 17:10:22,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-02-04 17:10:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 200 transitions. [2018-02-04 17:10:22,607 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 200 transitions. Word has length 44 [2018-02-04 17:10:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:22,607 INFO L432 AbstractCegarLoop]: Abstraction has 187 states and 200 transitions. [2018-02-04 17:10:22,607 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 17:10:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 200 transitions. [2018-02-04 17:10:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-02-04 17:10:22,608 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:22,608 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] [2018-02-04 17:10:22,608 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:22,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1356296747, now seen corresponding path program 1 times [2018-02-04 17:10:22,609 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:22,619 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:22,940 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 17:10:22,941 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:22,941 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 17:10:22,941 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:22,941 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 17:10:22,942 INFO L182 omatonBuilderFactory]: Interpolants [6912#(= 1 (select |#valid| main_~head~0.base)), 6913#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 6914#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 6915#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 6916#(and (= |main_#t~mem6.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~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6917#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))), 6918#(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)) (= 8 (select |#length| 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))), 6919#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base))), 6920#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (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))), 6921#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 6922#(and (= 8 (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))), 6923#(and (= 8 (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))), 6924#(or (and (= 8 (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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 6925#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)))), 6926#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 6927#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 6910#true, 6911#false] [2018-02-04 17:10:22,942 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 17:10:22,942 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 17:10:22,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 17:10:22,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2018-02-04 17:10:22,943 INFO L87 Difference]: Start difference. First operand 187 states and 200 transitions. Second operand 18 states. [2018-02-04 17:10:23,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:23,769 INFO L93 Difference]: Finished difference Result 285 states and 299 transitions. [2018-02-04 17:10:23,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:10:23,769 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 44 [2018-02-04 17:10:23,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:23,770 INFO L225 Difference]: With dead ends: 285 [2018-02-04 17:10:23,770 INFO L226 Difference]: Without dead ends: 285 [2018-02-04 17:10:23,771 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:10:23,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-02-04 17:10:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 185. [2018-02-04 17:10:23,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-02-04 17:10:23,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 197 transitions. [2018-02-04 17:10:23,774 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 197 transitions. Word has length 44 [2018-02-04 17:10:23,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:23,774 INFO L432 AbstractCegarLoop]: Abstraction has 185 states and 197 transitions. [2018-02-04 17:10:23,774 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 17:10:23,774 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 197 transitions. [2018-02-04 17:10:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 17:10:23,774 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:23,775 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] [2018-02-04 17:10:23,775 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:23,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1468548595, now seen corresponding path program 1 times [2018-02-04 17:10:23,775 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:23,783 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:23,869 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 17:10:23,870 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:23,870 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 17:10:23,870 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:23,870 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 17:10:23,870 INFO L182 omatonBuilderFactory]: Interpolants [7428#true, 7429#false, 7430#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7431#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7432#(and (= 0 |main_#t~malloc9.offset|) (not (= |main_#t~malloc9.base| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7433#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 7434#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 7435#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 7436#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 7437#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 7438#(= 0 |main_#t~mem22.offset|)] [2018-02-04 17:10:23,870 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 17:10:23,871 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 17:10:23,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 17:10:23,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-02-04 17:10:23,871 INFO L87 Difference]: Start difference. First operand 185 states and 197 transitions. Second operand 11 states. [2018-02-04 17:10:24,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:24,175 INFO L93 Difference]: Finished difference Result 233 states and 240 transitions. [2018-02-04 17:10:24,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 17:10:24,176 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2018-02-04 17:10:24,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:24,176 INFO L225 Difference]: With dead ends: 233 [2018-02-04 17:10:24,176 INFO L226 Difference]: Without dead ends: 233 [2018-02-04 17:10:24,177 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=274, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-02-04 17:10:24,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 191. [2018-02-04 17:10:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-02-04 17:10:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 204 transitions. [2018-02-04 17:10:24,180 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 204 transitions. Word has length 45 [2018-02-04 17:10:24,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:24,180 INFO L432 AbstractCegarLoop]: Abstraction has 191 states and 204 transitions. [2018-02-04 17:10:24,180 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 17:10:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 204 transitions. [2018-02-04 17:10:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-02-04 17:10:24,181 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:24,181 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] [2018-02-04 17:10:24,181 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:24,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1468548594, now seen corresponding path program 1 times [2018-02-04 17:10:24,182 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:24,188 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:24,251 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 17:10:24,251 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:24,251 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 17:10:24,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:24,252 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 17:10:24,252 INFO L182 omatonBuilderFactory]: Interpolants [7888#(= 1 (select |#valid| |main_#t~mem22.base|)), 7881#true, 7882#false, 7883#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 7884#(= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7885#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)), 7886#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 7887#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 17:10:24,252 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 17:10:24,252 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 17:10:24,252 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 17:10:24,253 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-02-04 17:10:24,253 INFO L87 Difference]: Start difference. First operand 191 states and 204 transitions. Second operand 8 states. [2018-02-04 17:10:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:24,406 INFO L93 Difference]: Finished difference Result 240 states and 253 transitions. [2018-02-04 17:10:24,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 17:10:24,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2018-02-04 17:10:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:24,407 INFO L225 Difference]: With dead ends: 240 [2018-02-04 17:10:24,407 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 17:10:24,407 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 17:10:24,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 17:10:24,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 214. [2018-02-04 17:10:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-02-04 17:10:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2018-02-04 17:10:24,409 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 45 [2018-02-04 17:10:24,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:24,410 INFO L432 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2018-02-04 17:10:24,410 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 17:10:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2018-02-04 17:10:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 17:10:24,410 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:24,410 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] [2018-02-04 17:10:24,410 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:24,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1769046639, now seen corresponding path program 1 times [2018-02-04 17:10:24,411 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:24,415 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:24,516 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 17:10:24,516 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:24,516 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 17:10:24,516 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:24,517 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 17:10:24,517 INFO L182 omatonBuilderFactory]: Interpolants [8352#false, 8353#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8354#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8355#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= |main_#t~malloc9.base| 0)) (= main_~x~0.base main_~head~0.base)), 8356#(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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8357#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8358#(and (not (= (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 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 8359#(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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0))), 8360#(and (not (= |main_#t~mem22.base| 0)) (= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base))), 8361#(= 1 (select |#valid| main_~x~0.base)), 8351#true] [2018-02-04 17:10:24,517 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 17:10:24,517 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 17:10:24,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 17:10:24,517 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-04 17:10:24,517 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand 11 states. [2018-02-04 17:10:24,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:24,776 INFO L93 Difference]: Finished difference Result 236 states and 252 transitions. [2018-02-04 17:10:24,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 17:10:24,776 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2018-02-04 17:10:24,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:24,777 INFO L225 Difference]: With dead ends: 236 [2018-02-04 17:10:24,777 INFO L226 Difference]: Without dead ends: 236 [2018-02-04 17:10:24,777 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 17:10:24,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-02-04 17:10:24,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-02-04 17:10:24,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-02-04 17:10:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 233 transitions. [2018-02-04 17:10:24,780 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 233 transitions. Word has length 47 [2018-02-04 17:10:24,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:24,780 INFO L432 AbstractCegarLoop]: Abstraction has 216 states and 233 transitions. [2018-02-04 17:10:24,780 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 17:10:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 233 transitions. [2018-02-04 17:10:24,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 17:10:24,780 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:24,780 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] [2018-02-04 17:10:24,780 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:24,781 INFO L82 PathProgramCache]: Analyzing trace with hash 549503799, now seen corresponding path program 1 times [2018-02-04 17:10:24,781 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:24,789 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:24,904 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 17:10:24,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:24,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 17:10:24,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:24,905 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 17:10:24,905 INFO L182 omatonBuilderFactory]: Interpolants [8832#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 8833#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 8834#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 8835#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 8836#(= 0 |main_#t~mem20.offset|), 8837#(= 0 main_~x~0.offset), 8838#(= main_~head~0.offset 0), 8826#true, 8827#false, 8828#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8829#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 8830#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 8831#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))] [2018-02-04 17:10:24,905 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 17:10:24,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 17:10:24,906 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 17:10:24,906 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-02-04 17:10:24,906 INFO L87 Difference]: Start difference. First operand 216 states and 233 transitions. Second operand 13 states. [2018-02-04 17:10:25,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:25,208 INFO L93 Difference]: Finished difference Result 247 states and 258 transitions. [2018-02-04 17:10:25,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 17:10:25,208 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 48 [2018-02-04 17:10:25,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:25,209 INFO L225 Difference]: With dead ends: 247 [2018-02-04 17:10:25,209 INFO L226 Difference]: Without dead ends: 247 [2018-02-04 17:10:25,209 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2018-02-04 17:10:25,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-04 17:10:25,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 212. [2018-02-04 17:10:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-02-04 17:10:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 228 transitions. [2018-02-04 17:10:25,212 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 228 transitions. Word has length 48 [2018-02-04 17:10:25,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:25,212 INFO L432 AbstractCegarLoop]: Abstraction has 212 states and 228 transitions. [2018-02-04 17:10:25,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 17:10:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 228 transitions. [2018-02-04 17:10:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 17:10:25,213 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:25,213 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 17:10:25,213 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:25,213 INFO L82 PathProgramCache]: Analyzing trace with hash -753223921, now seen corresponding path program 1 times [2018-02-04 17:10:25,214 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:25,222 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:25,644 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 17:10:25,644 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:25,644 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2018-02-04 17:10:25,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:25,645 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 17:10:25,645 INFO L182 omatonBuilderFactory]: Interpolants [9322#true, 9323#false, 9324#(= |#valid| |old(#valid)|), 9325#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 9326#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 9327#(and (= 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)), 9328#(and (= 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) (= (select |#valid| main_~x~0.base) 1)), 9329#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc9.base| 0)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc9.base| 0) |old(#valid)|)), 9330#(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)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (= 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)|)), 9331#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= |main_#t~mem11.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)) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|)), 9332#(and (not (= (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_~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)|)), 9333#(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 (= (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_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 9334#(and (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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 9335#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= |main_#t~mem22.base| 0)) (not (= 0 main_~x~0.base)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 9336#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|))] [2018-02-04 17:10:25,645 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 17:10:25,645 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 17:10:25,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 17:10:25,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2018-02-04 17:10:25,646 INFO L87 Difference]: Start difference. First operand 212 states and 228 transitions. Second operand 15 states. [2018-02-04 17:10:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:26,219 INFO L93 Difference]: Finished difference Result 225 states and 241 transitions. [2018-02-04 17:10:26,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 17:10:26,219 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 49 [2018-02-04 17:10:26,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:26,220 INFO L225 Difference]: With dead ends: 225 [2018-02-04 17:10:26,220 INFO L226 Difference]: Without dead ends: 215 [2018-02-04 17:10:26,220 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=440, Unknown=0, NotChecked=0, Total=552 [2018-02-04 17:10:26,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-02-04 17:10:26,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 204. [2018-02-04 17:10:26,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-02-04 17:10:26,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 219 transitions. [2018-02-04 17:10:26,222 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 219 transitions. Word has length 49 [2018-02-04 17:10:26,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:26,222 INFO L432 AbstractCegarLoop]: Abstraction has 204 states and 219 transitions. [2018-02-04 17:10:26,222 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 17:10:26,222 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 219 transitions. [2018-02-04 17:10:26,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 17:10:26,222 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:26,222 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] [2018-02-04 17:10:26,223 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:26,223 INFO L82 PathProgramCache]: Analyzing trace with hash -207821991, now seen corresponding path program 2 times [2018-02-04 17:10:26,223 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:26,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:26,362 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 17:10:26,362 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 17:10:26,362 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 17:10:26,362 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:26,363 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 17:10:26,363 INFO L182 omatonBuilderFactory]: Interpolants [9792#(= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))), 9793#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem19| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 9784#true, 9785#false, 9786#(= 0 |main_#t~malloc0.offset|), 9787#(= main_~head~0.offset 0), 9788#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9789#(and (= main_~head~0.offset main_~x~0.offset) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) |main_#t~mem13|) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9790#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9791#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))] [2018-02-04 17:10:26,363 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 17:10:26,363 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 17:10:26,363 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 17:10:26,363 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-02-04 17:10:26,363 INFO L87 Difference]: Start difference. First operand 204 states and 219 transitions. Second operand 10 states. [2018-02-04 17:10:26,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:26,502 INFO L93 Difference]: Finished difference Result 222 states and 227 transitions. [2018-02-04 17:10:26,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 17:10:26,502 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 50 [2018-02-04 17:10:26,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:26,503 INFO L225 Difference]: With dead ends: 222 [2018-02-04 17:10:26,503 INFO L226 Difference]: Without dead ends: 196 [2018-02-04 17:10:26,503 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 17:10:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-02-04 17:10:26,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 175. [2018-02-04 17:10:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-02-04 17:10:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 188 transitions. [2018-02-04 17:10:26,505 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 188 transitions. Word has length 50 [2018-02-04 17:10:26,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:26,505 INFO L432 AbstractCegarLoop]: Abstraction has 175 states and 188 transitions. [2018-02-04 17:10:26,505 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 17:10:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 188 transitions. [2018-02-04 17:10:26,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 17:10:26,505 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:26,505 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] [2018-02-04 17:10:26,505 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:26,505 INFO L82 PathProgramCache]: Analyzing trace with hash -769925932, now seen corresponding path program 1 times [2018-02-04 17:10:26,506 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:26,514 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:26,727 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 17:10:26,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:26,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:26,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:26,728 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 17:10:26,728 INFO L182 omatonBuilderFactory]: Interpolants [10208#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10209#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 10210#(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) (= (select |#valid| main_~x~0.base) 1)), 10211#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 10212#(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))), 10213#(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))), 10214#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|))), 10215#(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)))), 10216#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 10217#(= 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)))), 10218#(= 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)))), 10219#(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 4))))), 10220#(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~mem14|))), 10221#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 10222#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 10223#(= 1 (select |#valid| |main_#t~mem17.base|)), 10224#(= 1 (select |#valid| main_~x~0.base)), 10205#true, 10206#false, 10207#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 17:10:26,728 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 17:10:26,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:26,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:26,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:26,729 INFO L87 Difference]: Start difference. First operand 175 states and 188 transitions. Second operand 20 states. [2018-02-04 17:10:27,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:27,426 INFO L93 Difference]: Finished difference Result 246 states and 260 transitions. [2018-02-04 17:10:27,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 17:10:27,427 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 17:10:27,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:27,429 INFO L225 Difference]: With dead ends: 246 [2018-02-04 17:10:27,429 INFO L226 Difference]: Without dead ends: 246 [2018-02-04 17:10:27,430 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=1152, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 17:10:27,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-02-04 17:10:27,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 178. [2018-02-04 17:10:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 17:10:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 192 transitions. [2018-02-04 17:10:27,434 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 192 transitions. Word has length 53 [2018-02-04 17:10:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:27,435 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 192 transitions. [2018-02-04 17:10:27,435 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 192 transitions. [2018-02-04 17:10:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 17:10:27,435 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:27,435 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] [2018-02-04 17:10:27,435 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:27,436 INFO L82 PathProgramCache]: Analyzing trace with hash -769925931, now seen corresponding path program 1 times [2018-02-04 17:10:27,436 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:27,446 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:27,797 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 17:10:27,797 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:27,797 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:27,797 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:27,798 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 17:10:27,798 INFO L182 omatonBuilderFactory]: Interpolants [10688#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10689#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 10690#(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) (= (select |#valid| main_~x~0.base) 1)), 10691#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 10692#(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))), 10693#(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))), 10694#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| |main_#t~malloc9.base|))), 10695#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (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| main_~head~0.base) main_~head~0.offset)))), 10696#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 10697#(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 |#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))))), 10698#(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))) (= 8 (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))))), 10699#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (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)))))), 10700#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (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)))))), 10701#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 10702#(and (= 8 (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))), 10703#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 10704#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 10685#true, 10686#false, 10687#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 17:10:27,798 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 17:10:27,798 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:27,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:27,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:27,799 INFO L87 Difference]: Start difference. First operand 178 states and 192 transitions. Second operand 20 states. [2018-02-04 17:10:28,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:28,571 INFO L93 Difference]: Finished difference Result 276 states and 289 transitions. [2018-02-04 17:10:28,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:10:28,571 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 17:10:28,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:28,572 INFO L225 Difference]: With dead ends: 276 [2018-02-04 17:10:28,572 INFO L226 Difference]: Without dead ends: 276 [2018-02-04 17:10:28,572 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=1078, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:10:28,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-02-04 17:10:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 178. [2018-02-04 17:10:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-02-04 17:10:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 191 transitions. [2018-02-04 17:10:28,574 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 191 transitions. Word has length 53 [2018-02-04 17:10:28,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:28,575 INFO L432 AbstractCegarLoop]: Abstraction has 178 states and 191 transitions. [2018-02-04 17:10:28,575 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:28,575 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 191 transitions. [2018-02-04 17:10:28,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 17:10:28,575 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:28,575 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] [2018-02-04 17:10:28,575 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:28,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1107343511, now seen corresponding path program 2 times [2018-02-04 17:10:28,576 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:28,582 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:28,825 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 17:10:28,825 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:28,825 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:28,825 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:28,825 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 17:10:28,825 INFO L182 omatonBuilderFactory]: Interpolants [11200#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|))), 11201#(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)))), 11202#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 11203#(= 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)))), 11204#(= 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)))), 11205#(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 4))))), 11206#(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~mem14|))), 11207#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 11208#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 11209#(= 1 (select |#valid| |main_#t~mem15.base|)), 11210#(= 1 (select |#valid| main_~x~0.base)), 11191#true, 11192#false, 11193#(= 1 (select |#valid| main_~head~0.base)), 11194#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11195#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 11196#(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) (= (select |#valid| main_~x~0.base) 1)), 11197#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11198#(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))), 11199#(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)))] [2018-02-04 17:10:28,826 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 17:10:28,826 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:28,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:28,826 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:28,826 INFO L87 Difference]: Start difference. First operand 178 states and 191 transitions. Second operand 20 states. [2018-02-04 17:10:29,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:29,460 INFO L93 Difference]: Finished difference Result 248 states and 262 transitions. [2018-02-04 17:10:29,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:10:29,460 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 17:10:29,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:29,461 INFO L225 Difference]: With dead ends: 248 [2018-02-04 17:10:29,461 INFO L226 Difference]: Without dead ends: 248 [2018-02-04 17:10:29,461 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=223, Invalid=1037, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:10:29,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-02-04 17:10:29,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 186. [2018-02-04 17:10:29,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-02-04 17:10:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 200 transitions. [2018-02-04 17:10:29,464 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 200 transitions. Word has length 53 [2018-02-04 17:10:29,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:29,464 INFO L432 AbstractCegarLoop]: Abstraction has 186 states and 200 transitions. [2018-02-04 17:10:29,464 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:29,464 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 200 transitions. [2018-02-04 17:10:29,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 17:10:29,464 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:29,464 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] [2018-02-04 17:10:29,464 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:29,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1107343512, now seen corresponding path program 2 times [2018-02-04 17:10:29,465 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:29,470 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:29,728 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 17:10:29,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:29,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:29,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:29,728 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 17:10:29,728 INFO L182 omatonBuilderFactory]: Interpolants [11680#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 11681#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 11682#(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) (= (select |#valid| main_~x~0.base) 1)), 11683#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 11684#(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))), 11685#(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))), 11686#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| |main_#t~malloc9.base|))), 11687#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (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| main_~head~0.base) main_~head~0.offset)))), 11688#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 11689#(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 |#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))))), 11690#(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))) (= 8 (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))))), 11691#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (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)))))), 11692#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (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)))))), 11693#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 11694#(and (= 8 (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))), 11695#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 11696#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 11677#true, 11678#false, 11679#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 17:10:29,728 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 17:10:29,729 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:29,729 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:29,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:29,729 INFO L87 Difference]: Start difference. First operand 186 states and 200 transitions. Second operand 20 states. [2018-02-04 17:10:30,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:30,563 INFO L93 Difference]: Finished difference Result 288 states and 302 transitions. [2018-02-04 17:10:30,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:10:30,564 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 53 [2018-02-04 17:10:30,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:30,564 INFO L225 Difference]: With dead ends: 288 [2018-02-04 17:10:30,564 INFO L226 Difference]: Without dead ends: 288 [2018-02-04 17:10:30,565 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=1078, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:10:30,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-02-04 17:10:30,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 192. [2018-02-04 17:10:30,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-02-04 17:10:30,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 206 transitions. [2018-02-04 17:10:30,567 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 206 transitions. Word has length 53 [2018-02-04 17:10:30,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:30,567 INFO L432 AbstractCegarLoop]: Abstraction has 192 states and 206 transitions. [2018-02-04 17:10:30,567 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:30,567 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 206 transitions. [2018-02-04 17:10:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 17:10:30,567 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:30,567 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] [2018-02-04 17:10:30,568 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:30,568 INFO L82 PathProgramCache]: Analyzing trace with hash -684830248, now seen corresponding path program 2 times [2018-02-04 17:10:30,568 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:30,575 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:30,728 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:30,728 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 17:10:30,728 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:30,728 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 17:10:30,728 INFO L182 omatonBuilderFactory]: Interpolants [12224#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 12225#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 12226#(= 1 (select |#valid| |main_#t~mem17.base|)), 12227#(= 1 (select |#valid| main_~x~0.base)), 12209#true, 12210#false, 12211#(= (select |#valid| main_~head~0.base) 1), 12212#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12213#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 12214#(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) (= (select |#valid| main_~x~0.base) 1)), 12215#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 12216#(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))), 12217#(and (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 12218#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 12219#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 12220#(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))), 12221#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)))), 12222#(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)))), 12223#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)))] [2018-02-04 17:10:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:30,728 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 17:10:30,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 17:10:30,729 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-02-04 17:10:30,729 INFO L87 Difference]: Start difference. First operand 192 states and 206 transitions. Second operand 19 states. [2018-02-04 17:10:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:31,373 INFO L93 Difference]: Finished difference Result 297 states and 314 transitions. [2018-02-04 17:10:31,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:10:31,374 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 55 [2018-02-04 17:10:31,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:31,374 INFO L225 Difference]: With dead ends: 297 [2018-02-04 17:10:31,374 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 17:10:31,375 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 342 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1367, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 17:10:31,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 17:10:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 223. [2018-02-04 17:10:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-02-04 17:10:31,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2018-02-04 17:10:31,379 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 55 [2018-02-04 17:10:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:31,379 INFO L432 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2018-02-04 17:10:31,379 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 17:10:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2018-02-04 17:10:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 17:10:31,379 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:31,380 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] [2018-02-04 17:10:31,380 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:31,380 INFO L82 PathProgramCache]: Analyzing trace with hash -684830247, now seen corresponding path program 2 times [2018-02-04 17:10:31,380 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:31,390 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:31,698 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:31,698 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:31,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:31,698 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 17:10:31,698 INFO L182 omatonBuilderFactory]: Interpolants [12800#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 12801#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (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))), 12802#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (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)), 12803#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 12804#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 12805#(and (= 8 (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) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12806#(and (= 8 (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))), 12807#(and (= 8 (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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 12808#(and (= 8 (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))), 12809#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 12810#(and (= 8 (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))), 12811#(and (= 8 (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))), 12812#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 12813#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 12794#true, 12795#false, 12796#(= (select |#valid| main_~head~0.base) 1), 12797#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 12798#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 12799#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 17:10:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:31,699 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:31,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:31,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:31,699 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand 20 states. [2018-02-04 17:10:32,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:32,490 INFO L93 Difference]: Finished difference Result 324 states and 340 transitions. [2018-02-04 17:10:32,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 17:10:32,491 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 55 [2018-02-04 17:10:32,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:32,491 INFO L225 Difference]: With dead ends: 324 [2018-02-04 17:10:32,491 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 17:10:32,492 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=302, Invalid=1338, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 17:10:32,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 17:10:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 215. [2018-02-04 17:10:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 17:10:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-02-04 17:10:32,494 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 55 [2018-02-04 17:10:32,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:32,494 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-02-04 17:10:32,494 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:32,494 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-02-04 17:10:32,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 17:10:32,495 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:32,495 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 17:10:32,495 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:32,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1192439195, now seen corresponding path program 3 times [2018-02-04 17:10:32,496 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:32,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:32,709 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:32,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 17:10:32,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:32,709 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 17:10:32,709 INFO L182 omatonBuilderFactory]: Interpolants [13408#(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)))), 13409#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 13410#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 13411#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 13412#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13413#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 13414#(= 1 (select |#valid| |main_#t~mem15.base|)), 13415#(= 1 (select |#valid| main_~x~0.base)), 13395#true, 13396#false, 13397#(= 1 (select |#valid| main_~head~0.base)), 13398#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13399#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 13400#(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) (= (select |#valid| main_~x~0.base) 1)), 13401#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 13402#(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))), 13403#(and (= 1 (select |#valid| 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 13404#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 13405#(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_~head~0.base |main_#t~mem6.base|))), 13406#(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))), 13407#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))] [2018-02-04 17:10:32,709 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:32,710 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 17:10:32,710 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 17:10:32,710 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-02-04 17:10:32,710 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 21 states. [2018-02-04 17:10:33,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:33,485 INFO L93 Difference]: Finished difference Result 297 states and 314 transitions. [2018-02-04 17:10:33,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 17:10:33,486 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 55 [2018-02-04 17:10:33,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:33,486 INFO L225 Difference]: With dead ends: 297 [2018-02-04 17:10:33,486 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 17:10:33,487 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=406, Invalid=1756, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:10:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 17:10:33,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 223. [2018-02-04 17:10:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-02-04 17:10:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2018-02-04 17:10:33,490 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 55 [2018-02-04 17:10:33,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:33,491 INFO L432 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2018-02-04 17:10:33,491 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 17:10:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2018-02-04 17:10:33,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 17:10:33,491 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:33,491 INFO L351 BasicCegarLoop]: trace histogram [3, 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] [2018-02-04 17:10:33,492 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:33,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1192439196, now seen corresponding path program 3 times [2018-02-04 17:10:33,492 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:33,503 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:33,885 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:33,886 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 17:10:33,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:33,886 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 17:10:33,886 INFO L182 omatonBuilderFactory]: Interpolants [13988#true, 13989#false, 13990#(= 1 (select |#valid| main_~head~0.base)), 13991#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 13992#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 13993#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 13994#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 13995#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))), 13996#(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)) (= 8 (select |#length| 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))), 13997#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 13998#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 13999#(and (= 8 (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_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14000#(and (= 8 (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))), 14001#(and (= 8 (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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 14002#(and (= 8 (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))), 14003#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14004#(and (= 8 (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))), 14005#(and (= 8 (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))), 14006#(or (and (= 8 (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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 14007#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)))), 14008#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 14009#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:33,886 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 17:10:33,887 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 17:10:33,887 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2018-02-04 17:10:33,887 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand 22 states. [2018-02-04 17:10:34,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:34,869 INFO L93 Difference]: Finished difference Result 337 states and 354 transitions. [2018-02-04 17:10:34,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:10:34,869 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 55 [2018-02-04 17:10:34,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:34,870 INFO L225 Difference]: With dead ends: 337 [2018-02-04 17:10:34,870 INFO L226 Difference]: Without dead ends: 337 [2018-02-04 17:10:34,871 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=352, Invalid=1718, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 17:10:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-02-04 17:10:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 215. [2018-02-04 17:10:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-02-04 17:10:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 231 transitions. [2018-02-04 17:10:34,873 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 231 transitions. Word has length 55 [2018-02-04 17:10:34,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:34,873 INFO L432 AbstractCegarLoop]: Abstraction has 215 states and 231 transitions. [2018-02-04 17:10:34,873 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 17:10:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 231 transitions. [2018-02-04 17:10:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-02-04 17:10:34,873 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:34,873 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] [2018-02-04 17:10:34,873 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:34,873 INFO L82 PathProgramCache]: Analyzing trace with hash 232854310, now seen corresponding path program 1 times [2018-02-04 17:10:34,874 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:34,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:35,017 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 17:10:35,018 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:35,018 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 17:10:35,018 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:35,018 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 17:10:35,018 INFO L182 omatonBuilderFactory]: Interpolants [14624#(= 0 |main_#t~mem22.offset|), 14610#true, 14611#false, 14612#(= (select |#valid| main_~head~0.base) 1), 14613#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14614#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 14615#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14616#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14617#(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))), 14618#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 14619#(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))), 14620#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14621#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 14622#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 14623#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))] [2018-02-04 17:10:35,019 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 17:10:35,019 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 17:10:35,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 17:10:35,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2018-02-04 17:10:35,019 INFO L87 Difference]: Start difference. First operand 215 states and 231 transitions. Second operand 15 states. [2018-02-04 17:10:35,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:35,444 INFO L93 Difference]: Finished difference Result 331 states and 347 transitions. [2018-02-04 17:10:35,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-02-04 17:10:35,444 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 56 [2018-02-04 17:10:35,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:35,445 INFO L225 Difference]: With dead ends: 331 [2018-02-04 17:10:35,445 INFO L226 Difference]: Without dead ends: 331 [2018-02-04 17:10:35,445 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:10:35,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-02-04 17:10:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 283. [2018-02-04 17:10:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 17:10:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 311 transitions. [2018-02-04 17:10:35,447 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 311 transitions. Word has length 56 [2018-02-04 17:10:35,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:35,447 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 311 transitions. [2018-02-04 17:10:35,447 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 17:10:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 311 transitions. [2018-02-04 17:10:35,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 17:10:35,448 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:35,448 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] [2018-02-04 17:10:35,448 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:35,448 INFO L82 PathProgramCache]: Analyzing trace with hash 434698568, now seen corresponding path program 1 times [2018-02-04 17:10:35,448 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:35,456 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:35,620 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 17:10:35,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:35,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 17:10:35,620 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:35,620 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 17:10:35,621 INFO L182 omatonBuilderFactory]: Interpolants [15265#true, 15266#false, 15267#(= (select |#valid| main_~head~0.base) 1), 15268#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15269#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 15270#(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_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 15271#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15272#(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))), 15273#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|))), 15274#(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)))), 15275#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 15276#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 15277#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15278#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 15279#(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)))), 15280#(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)))), 15281#(= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base)), 15282#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:35,621 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 17:10:35,621 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 17:10:35,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 17:10:35,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2018-02-04 17:10:35,621 INFO L87 Difference]: Start difference. First operand 283 states and 311 transitions. Second operand 18 states. [2018-02-04 17:10:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:36,163 INFO L93 Difference]: Finished difference Result 330 states and 346 transitions. [2018-02-04 17:10:36,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 17:10:36,163 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-04 17:10:36,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:36,164 INFO L225 Difference]: With dead ends: 330 [2018-02-04 17:10:36,164 INFO L226 Difference]: Without dead ends: 330 [2018-02-04 17:10:36,165 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=285, Invalid=1047, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 17:10:36,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2018-02-04 17:10:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 285. [2018-02-04 17:10:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-02-04 17:10:36,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 313 transitions. [2018-02-04 17:10:36,167 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 313 transitions. Word has length 58 [2018-02-04 17:10:36,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:36,168 INFO L432 AbstractCegarLoop]: Abstraction has 285 states and 313 transitions. [2018-02-04 17:10:36,168 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 17:10:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 313 transitions. [2018-02-04 17:10:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-02-04 17:10:36,168 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:36,168 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] [2018-02-04 17:10:36,168 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:36,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1133501352, now seen corresponding path program 1 times [2018-02-04 17:10:36,169 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:36,176 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:36,472 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 17:10:36,472 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:36,472 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:36,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:36,473 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 17:10:36,473 INFO L182 omatonBuilderFactory]: Interpolants [15936#true, 15937#false, 15938#(= 0 |main_#t~malloc0.offset|), 15939#(= main_~head~0.offset 0), 15940#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15941#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15942#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 15943#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 15944#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (+ main_~head~0.offset 4) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 15945#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15946#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 15947#(and (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 15948#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 15949#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 15950#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 15951#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 15952#(and (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 |main_#t~mem13|)), 15953#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)), 15954#(not (= |main_#t~mem19| 1))] [2018-02-04 17:10:36,473 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 17:10:36,473 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 17:10:36,473 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 17:10:36,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-02-04 17:10:36,474 INFO L87 Difference]: Start difference. First operand 285 states and 313 transitions. Second operand 19 states. [2018-02-04 17:10:36,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:36,998 INFO L93 Difference]: Finished difference Result 294 states and 309 transitions. [2018-02-04 17:10:36,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 17:10:36,998 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 60 [2018-02-04 17:10:36,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:36,999 INFO L225 Difference]: With dead ends: 294 [2018-02-04 17:10:36,999 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 17:10:37,000 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1009, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 17:10:37,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 17:10:37,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 257. [2018-02-04 17:10:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 17:10:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 282 transitions. [2018-02-04 17:10:37,001 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 282 transitions. Word has length 60 [2018-02-04 17:10:37,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:37,002 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 282 transitions. [2018-02-04 17:10:37,002 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 17:10:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 282 transitions. [2018-02-04 17:10:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 17:10:37,002 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:37,002 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] [2018-02-04 17:10:37,003 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:37,003 INFO L82 PathProgramCache]: Analyzing trace with hash 314842481, now seen corresponding path program 2 times [2018-02-04 17:10:37,003 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:37,010 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:37,332 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 17:10:37,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:37,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 17:10:37,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:37,333 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 17:10:37,333 INFO L182 omatonBuilderFactory]: Interpolants [16544#(= 0 |main_#t~malloc0.offset|), 16545#(= main_~head~0.offset 0), 16546#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 16547#(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)), 16548#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 16549#(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) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 16550#(and (= |main_#t~mem6.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~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 16551#(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)), 16552#(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)), 16553#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 16554#(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)), 16555#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0)), 16556#(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 4)) 2) (= main_~head~0.offset 0)), 16557#(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 4)) 2)), 16558#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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 4)) 2))), 16559#(or (not (= 0 |main_#t~mem14|)) (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 4)) 2))), 16560#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 16561#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 16562#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 16563#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 16564#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 16542#true, 16543#false] [2018-02-04 17:10:37,333 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 17:10:37,333 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 17:10:37,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 17:10:37,334 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2018-02-04 17:10:37,334 INFO L87 Difference]: Start difference. First operand 257 states and 282 transitions. Second operand 23 states. [2018-02-04 17:10:38,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:38,359 INFO L93 Difference]: Finished difference Result 306 states and 320 transitions. [2018-02-04 17:10:38,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:10:38,359 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 62 [2018-02-04 17:10:38,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:38,360 INFO L225 Difference]: With dead ends: 306 [2018-02-04 17:10:38,360 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 17:10:38,360 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=395, Invalid=1957, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 17:10:38,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 17:10:38,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 261. [2018-02-04 17:10:38,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-02-04 17:10:38,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 289 transitions. [2018-02-04 17:10:38,363 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 289 transitions. Word has length 62 [2018-02-04 17:10:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:38,364 INFO L432 AbstractCegarLoop]: Abstraction has 261 states and 289 transitions. [2018-02-04 17:10:38,364 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 17:10:38,364 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 289 transitions. [2018-02-04 17:10:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-02-04 17:10:38,364 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:38,364 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] [2018-02-04 17:10:38,365 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:38,365 INFO L82 PathProgramCache]: Analyzing trace with hash -2102855372, now seen corresponding path program 4 times [2018-02-04 17:10:38,365 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:38,375 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:38,685 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:38,685 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 17:10:38,685 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:38,685 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 17:10:38,685 INFO L182 omatonBuilderFactory]: Interpolants [17184#true, 17185#false, 17186#(= 0 |main_#t~malloc0.offset|), 17187#(= main_~head~0.offset 0), 17188#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 17189#(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)), 17190#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 17191#(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) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 17192#(and (= |main_#t~mem6.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~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 17193#(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)), 17194#(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)), 17195#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 17196#(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)), 17197#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| main_~head~0.base)) (= main_~head~0.offset |main_#t~mem11.offset|) (= main_~head~0.offset 0)), 17198#(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 4)) 2) (= main_~head~0.offset 0)), 17199#(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 4)) 2)), 17200#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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 4)) 2))), 17201#(or (not (= 0 |main_#t~mem14|)) (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 4)) 2))), 17202#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 17203#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 17204#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 0 |main_#t~mem15.offset|)), 17205#(= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2), 17206#(= |main_#t~mem14| 2)] [2018-02-04 17:10:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:38,686 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 17:10:38,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 17:10:38,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2018-02-04 17:10:38,686 INFO L87 Difference]: Start difference. First operand 261 states and 289 transitions. Second operand 23 states. [2018-02-04 17:10:39,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:39,539 INFO L93 Difference]: Finished difference Result 266 states and 278 transitions. [2018-02-04 17:10:39,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 17:10:39,540 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 62 [2018-02-04 17:10:39,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:39,540 INFO L225 Difference]: With dead ends: 266 [2018-02-04 17:10:39,540 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 17:10:39,541 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=344, Invalid=1726, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 17:10:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 17:10:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 221. [2018-02-04 17:10:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-02-04 17:10:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 235 transitions. [2018-02-04 17:10:39,543 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 235 transitions. Word has length 62 [2018-02-04 17:10:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:39,543 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 235 transitions. [2018-02-04 17:10:39,543 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 17:10:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 235 transitions. [2018-02-04 17:10:39,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:39,543 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:39,543 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] [2018-02-04 17:10:39,543 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:39,543 INFO L82 PathProgramCache]: Analyzing trace with hash -468498279, now seen corresponding path program 1 times [2018-02-04 17:10:39,544 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:39,550 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:39,905 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 17:10:39,906 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:39,906 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 17:10:39,906 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:39,906 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 17:10:39,906 INFO L182 omatonBuilderFactory]: Interpolants [17740#true, 17741#false, 17742#(not (= 0 |main_#t~malloc0.base|)), 17743#(not (= 0 main_~head~0.base)), 17744#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 17745#(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)), 17746#(and (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 17747#(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_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 17748#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.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))), 17749#(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))), 17750#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 17751#(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)))), 17752#(and (not (= |main_#t~mem11.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))), 17753#(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))), 17754#(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)), 17755#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 17756#(or (not (= 0 |main_#t~mem14|)) (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))), 17757#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 17758#(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))), 17759#(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))), 17760#(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))), 17761#(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))), 17762#(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))), 17763#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 17764#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 17765#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:39,906 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 17:10:39,907 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 17:10:39,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 17:10:39,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2018-02-04 17:10:39,907 INFO L87 Difference]: Start difference. First operand 221 states and 235 transitions. Second operand 26 states. [2018-02-04 17:10:40,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:40,895 INFO L93 Difference]: Finished difference Result 275 states and 287 transitions. [2018-02-04 17:10:40,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 17:10:40,895 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 64 [2018-02-04 17:10:40,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:40,895 INFO L225 Difference]: With dead ends: 275 [2018-02-04 17:10:40,896 INFO L226 Difference]: Without dead ends: 275 [2018-02-04 17:10:40,896 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 651 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=591, Invalid=2379, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 17:10:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-02-04 17:10:40,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 226. [2018-02-04 17:10:40,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-02-04 17:10:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 241 transitions. [2018-02-04 17:10:40,898 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 241 transitions. Word has length 64 [2018-02-04 17:10:40,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:40,898 INFO L432 AbstractCegarLoop]: Abstraction has 226 states and 241 transitions. [2018-02-04 17:10:40,898 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 17:10:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 241 transitions. [2018-02-04 17:10:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:40,898 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:40,899 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] [2018-02-04 17:10:40,899 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:40,899 INFO L82 PathProgramCache]: Analyzing trace with hash -468498278, now seen corresponding path program 1 times [2018-02-04 17:10:40,899 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:40,904 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:41,153 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 17:10:41,153 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:41,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 17:10:41,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:41,153 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 17:10:41,153 INFO L182 omatonBuilderFactory]: Interpolants [18336#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 18337#(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)), 18338#(and (= main_~x~0.offset main_~head~0.offset) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 18339#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (or (not (= 0 |main_#t~mem14|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)))), 18340#(and (= |main_#t~mem15.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))), 18341#(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))), 18342#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18343#(and (<= 8 (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))), 18344#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 18345#(and (= 0 |main_#t~mem20.offset|) (<= 8 (select |#length| |main_#t~mem20.base|))), 18346#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base))), 18325#true, 18326#false, 18327#(= 1 (select |#valid| main_~head~0.base)), 18328#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 18329#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 18330#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 18331#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 18332#(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))), 18333#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 18334#(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))), 18335#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 17:10:41,153 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 17:10:41,154 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 17:10:41,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 17:10:41,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2018-02-04 17:10:41,154 INFO L87 Difference]: Start difference. First operand 226 states and 241 transitions. Second operand 22 states. [2018-02-04 17:10:41,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:41,718 INFO L93 Difference]: Finished difference Result 251 states and 263 transitions. [2018-02-04 17:10:41,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 17:10:41,718 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 64 [2018-02-04 17:10:41,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:41,719 INFO L225 Difference]: With dead ends: 251 [2018-02-04 17:10:41,719 INFO L226 Difference]: Without dead ends: 251 [2018-02-04 17:10:41,719 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 17:10:41,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-02-04 17:10:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 228. [2018-02-04 17:10:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 17:10:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 243 transitions. [2018-02-04 17:10:41,721 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 243 transitions. Word has length 64 [2018-02-04 17:10:41,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:41,721 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 243 transitions. [2018-02-04 17:10:41,721 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 17:10:41,721 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 243 transitions. [2018-02-04 17:10:41,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:41,722 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:41,722 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 17:10:41,722 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:41,722 INFO L82 PathProgramCache]: Analyzing trace with hash 63638765, now seen corresponding path program 3 times [2018-02-04 17:10:41,723 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:41,733 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:42,152 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 17:10:42,152 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:42,152 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 17:10:42,152 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:42,153 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 17:10:42,153 INFO L182 omatonBuilderFactory]: Interpolants [18880#(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 4))))), 18881#(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~mem14|))), 18882#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 18883#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 18884#(= 1 (select |#valid| |main_#t~mem17.base|)), 18885#(= 1 (select |#valid| main_~x~0.base)), 18862#true, 18863#false, 18864#(= 1 (select |#valid| main_~head~0.base)), 18865#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 18866#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 18867#(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) (= (select |#valid| main_~x~0.base) 1)), 18868#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 18869#(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))), 18870#(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))), 18871#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 18872#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 18873#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 18874#(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)))), 18875#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 18876#(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))) (= 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)), 18877#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 18878#(= 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)))), 18879#(= 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))))] [2018-02-04 17:10:42,153 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 17:10:42,153 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 17:10:42,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 17:10:42,154 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 17:10:42,154 INFO L87 Difference]: Start difference. First operand 228 states and 243 transitions. Second operand 24 states. [2018-02-04 17:10:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:43,250 INFO L93 Difference]: Finished difference Result 306 states and 324 transitions. [2018-02-04 17:10:43,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 17:10:43,250 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 17:10:43,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:43,251 INFO L225 Difference]: With dead ends: 306 [2018-02-04 17:10:43,251 INFO L226 Difference]: Without dead ends: 306 [2018-02-04 17:10:43,251 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=327, Invalid=1929, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 17:10:43,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-02-04 17:10:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 231. [2018-02-04 17:10:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 17:10:43,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 247 transitions. [2018-02-04 17:10:43,253 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 247 transitions. Word has length 64 [2018-02-04 17:10:43,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:43,254 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 247 transitions. [2018-02-04 17:10:43,254 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 17:10:43,254 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 247 transitions. [2018-02-04 17:10:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:43,254 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:43,254 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-02-04 17:10:43,255 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:43,255 INFO L82 PathProgramCache]: Analyzing trace with hash 63638766, now seen corresponding path program 2 times [2018-02-04 17:10:43,255 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:43,265 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:43,762 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 17:10:43,762 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:43,762 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 17:10:43,762 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:43,763 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 17:10:43,763 INFO L182 omatonBuilderFactory]: Interpolants [19471#true, 19472#false, 19473#(= 1 (select |#valid| main_~head~0.base)), 19474#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 19475#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 19476#(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) (= (select |#valid| main_~x~0.base) 1)), 19477#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 19478#(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))), 19479#(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))), 19480#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 19481#(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)) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 19482#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#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 |#length| |main_#t~mem6.base|))), 19483#(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 |#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)))), 19484#(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)) (= 8 (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)))), 19485#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 19486#(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))) (= 8 (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)))), 19487#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 19488#(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 |#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))))), 19489#(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))) (= 8 (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))))), 19490#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (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)))))), 19491#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (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)))))), 19492#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 19493#(and (= 8 (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))), 19494#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 19495#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:10:43,763 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 17:10:43,763 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 17:10:43,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 17:10:43,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2018-02-04 17:10:43,764 INFO L87 Difference]: Start difference. First operand 231 states and 247 transitions. Second operand 25 states. [2018-02-04 17:10:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:44,872 INFO L93 Difference]: Finished difference Result 336 states and 353 transitions. [2018-02-04 17:10:44,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:10:44,872 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 17:10:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:44,873 INFO L225 Difference]: With dead ends: 336 [2018-02-04 17:10:44,873 INFO L226 Difference]: Without dead ends: 336 [2018-02-04 17:10:44,874 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=243, Invalid=1737, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:10:44,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-02-04 17:10:44,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 231. [2018-02-04 17:10:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 17:10:44,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 246 transitions. [2018-02-04 17:10:44,877 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 246 transitions. Word has length 64 [2018-02-04 17:10:44,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:44,877 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 246 transitions. [2018-02-04 17:10:44,877 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 17:10:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 246 transitions. [2018-02-04 17:10:44,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:44,878 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:44,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:44,878 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:44,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1940908208, now seen corresponding path program 5 times [2018-02-04 17:10:44,879 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:44,886 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:45,150 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:45,150 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 17:10:45,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:45,150 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 17:10:45,150 INFO L182 omatonBuilderFactory]: Interpolants [20103#true, 20104#false, 20105#(= 1 (select |#valid| main_~head~0.base)), 20106#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 20107#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 20108#(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) (= (select |#valid| main_~x~0.base) 1)), 20109#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 20110#(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))), 20111#(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))), 20112#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 20113#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 20114#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 20115#(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)))), 20116#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 20117#(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))) (= 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)), 20118#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 20119#(= 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)))), 20120#(= 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)))), 20121#(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 4))))), 20122#(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~mem14|))), 20123#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 20124#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 20125#(= 1 (select |#valid| |main_#t~mem15.base|)), 20126#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:45,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:45,150 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 17:10:45,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 17:10:45,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2018-02-04 17:10:45,151 INFO L87 Difference]: Start difference. First operand 231 states and 246 transitions. Second operand 24 states. [2018-02-04 17:10:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:46,171 INFO L93 Difference]: Finished difference Result 308 states and 326 transitions. [2018-02-04 17:10:46,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 17:10:46,171 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 64 [2018-02-04 17:10:46,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:46,172 INFO L225 Difference]: With dead ends: 308 [2018-02-04 17:10:46,172 INFO L226 Difference]: Without dead ends: 308 [2018-02-04 17:10:46,173 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=299, Invalid=1771, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 17:10:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-02-04 17:10:46,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 239. [2018-02-04 17:10:46,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 17:10:46,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 255 transitions. [2018-02-04 17:10:46,175 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 255 transitions. Word has length 64 [2018-02-04 17:10:46,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:46,175 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 255 transitions. [2018-02-04 17:10:46,175 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 17:10:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 255 transitions. [2018-02-04 17:10:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 17:10:46,175 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:46,175 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:10:46,175 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:46,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1940908209, now seen corresponding path program 4 times [2018-02-04 17:10:46,176 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:46,183 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:46,601 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:46,601 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 17:10:46,601 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:46,601 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 17:10:46,601 INFO L182 omatonBuilderFactory]: Interpolants [20736#(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))) (= 8 (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))))), 20737#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (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)))))), 20738#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (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)))))), 20739#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 20740#(and (= 8 (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))), 20741#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 20742#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 20718#true, 20719#false, 20720#(= 1 (select |#valid| main_~head~0.base)), 20721#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 20722#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 20723#(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) (= (select |#valid| main_~x~0.base) 1)), 20724#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 20725#(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))), 20726#(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))), 20727#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 20728#(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)) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 20729#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#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 |#length| |main_#t~mem6.base|))), 20730#(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 |#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)))), 20731#(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)) (= 8 (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)))), 20732#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| main_~x~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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 20733#(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))) (= 8 (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)))), 20734#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 20735#(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 |#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)))))] [2018-02-04 17:10:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:46,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 17:10:46,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 17:10:46,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2018-02-04 17:10:46,602 INFO L87 Difference]: Start difference. First operand 239 states and 255 transitions. Second operand 25 states. [2018-02-04 17:10:47,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:47,867 INFO L93 Difference]: Finished difference Result 348 states and 366 transitions. [2018-02-04 17:10:47,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:10:47,867 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2018-02-04 17:10:47,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:47,868 INFO L225 Difference]: With dead ends: 348 [2018-02-04 17:10:47,868 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 17:10:47,868 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=1737, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:10:47,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 17:10:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 245. [2018-02-04 17:10:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 17:10:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 261 transitions. [2018-02-04 17:10:47,870 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 261 transitions. Word has length 64 [2018-02-04 17:10:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:47,870 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 261 transitions. [2018-02-04 17:10:47,870 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 17:10:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 261 transitions. [2018-02-04 17:10:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 17:10:47,870 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:47,871 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:10:47,871 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:47,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1506926513, now seen corresponding path program 3 times [2018-02-04 17:10:47,871 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:47,879 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:48,162 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:48,162 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 17:10:48,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:48,162 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 17:10:48,162 INFO L182 omatonBuilderFactory]: Interpolants [21376#true, 21377#false, 21378#(= (select |#valid| main_~head~0.base) 1), 21379#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21380#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 21381#(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) (= (select |#valid| main_~x~0.base) 1)), 21382#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 21383#(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))), 21384#(and (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21385#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 21386#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1)), 21387#(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))), 21388#(and (or (= |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21389#(and (not (= (select |#valid| main_~head~0.base) 0)) (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))))), 21390#(and (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= |main_#t~mem6.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))))), 21391#(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)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~x~0.base main_~head~0.base))), 21392#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))), 21393#(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))) (= (select |#valid| main_~x~0.base) 1)), 21394#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 21395#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 21396#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 21397#(= 1 (select |#valid| |main_#t~mem17.base|)), 21398#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:48,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:48,162 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 17:10:48,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 17:10:48,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2018-02-04 17:10:48,163 INFO L87 Difference]: Start difference. First operand 245 states and 261 transitions. Second operand 23 states. [2018-02-04 17:10:48,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:48,968 INFO L93 Difference]: Finished difference Result 266 states and 279 transitions. [2018-02-04 17:10:48,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 17:10:48,968 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 17:10:48,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:48,969 INFO L225 Difference]: With dead ends: 266 [2018-02-04 17:10:48,969 INFO L226 Difference]: Without dead ends: 266 [2018-02-04 17:10:48,970 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=427, Invalid=1735, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:10:48,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-02-04 17:10:48,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 245. [2018-02-04 17:10:48,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 17:10:48,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 260 transitions. [2018-02-04 17:10:48,971 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 260 transitions. Word has length 66 [2018-02-04 17:10:48,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:48,972 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 260 transitions. [2018-02-04 17:10:48,972 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 17:10:48,972 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 260 transitions. [2018-02-04 17:10:48,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 17:10:48,972 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:48,972 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:10:48,972 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:48,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1506926514, now seen corresponding path program 3 times [2018-02-04 17:10:48,973 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:48,981 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 17:10:49,432 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:49,433 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 17:10:49,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:49,433 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 17:10:49,433 INFO L182 omatonBuilderFactory]: Interpolants [21958#true, 21959#false, 21960#(= (select |#valid| main_~head~0.base) 1), 21961#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21962#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 21963#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 21964#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 21965#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (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))), 21966#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= (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)), 21967#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21968#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21969#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21970#(and (= 8 (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))), 21971#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 21972#(and (= 8 (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))), 21973#(and (= 8 (select |#length| (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_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21974#(and (= 8 (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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 21975#(and (= 8 (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))), 21976#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 21977#(and (= 8 (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))), 21978#(and (= 8 (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))), 21979#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 21980#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:49,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 17:10:49,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 17:10:49,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 17:10:49,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2018-02-04 17:10:49,434 INFO L87 Difference]: Start difference. First operand 245 states and 260 transitions. Second operand 23 states. [2018-02-04 17:10:50,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:50,357 INFO L93 Difference]: Finished difference Result 287 states and 300 transitions. [2018-02-04 17:10:50,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:10:50,357 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 66 [2018-02-04 17:10:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:50,358 INFO L225 Difference]: With dead ends: 287 [2018-02-04 17:10:50,358 INFO L226 Difference]: Without dead ends: 287 [2018-02-04 17:10:50,359 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=418, Invalid=1744, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:10:50,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-02-04 17:10:50,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 237. [2018-02-04 17:10:50,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 17:10:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 251 transitions. [2018-02-04 17:10:50,370 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 251 transitions. Word has length 66 [2018-02-04 17:10:50,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:50,370 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 251 transitions. [2018-02-04 17:10:50,370 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 17:10:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 251 transitions. [2018-02-04 17:10:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 17:10:50,371 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:50,371 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:10:50,371 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:50,371 INFO L82 PathProgramCache]: Analyzing trace with hash -910771340, now seen corresponding path program 6 times [2018-02-04 17:10:50,371 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:50,379 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:50,627 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:50,627 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:50,627 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 17:10:50,627 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:50,627 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 17:10:50,627 INFO L182 omatonBuilderFactory]: Interpolants [22553#true, 22554#false, 22555#(= 1 (select |#valid| main_~head~0.base)), 22556#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 22557#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 22558#(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) (= (select |#valid| main_~x~0.base) 1)), 22559#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 22560#(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))), 22561#(and (= 1 (select |#valid| 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 22562#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 22563#(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_~head~0.base |main_#t~mem6.base|))), 22564#(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))), 22565#(and (or (= |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 22566#(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))))), 22567#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= |main_#t~mem6.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))))), 22568#(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))), 22569#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))))), 22570#(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))) (= (select |#valid| main_~x~0.base) 1)), 22571#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 22572#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 22573#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 22574#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 22575#(or (not (= 0 |main_#t~mem14|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 22576#(= 1 (select |#valid| |main_#t~mem15.base|)), 22577#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:50,628 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 17:10:50,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 17:10:50,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2018-02-04 17:10:50,628 INFO L87 Difference]: Start difference. First operand 237 states and 251 transitions. Second operand 25 states. [2018-02-04 17:10:51,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:51,540 INFO L93 Difference]: Finished difference Result 260 states and 273 transitions. [2018-02-04 17:10:51,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 17:10:51,540 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 66 [2018-02-04 17:10:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:51,541 INFO L225 Difference]: With dead ends: 260 [2018-02-04 17:10:51,541 INFO L226 Difference]: Without dead ends: 260 [2018-02-04 17:10:51,541 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=492, Invalid=2160, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 17:10:51,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-02-04 17:10:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 245. [2018-02-04 17:10:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 17:10:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 260 transitions. [2018-02-04 17:10:51,543 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 260 transitions. Word has length 66 [2018-02-04 17:10:51,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:51,543 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 260 transitions. [2018-02-04 17:10:51,543 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 17:10:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 260 transitions. [2018-02-04 17:10:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 17:10:51,544 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:51,544 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:10:51,544 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:51,544 INFO L82 PathProgramCache]: Analyzing trace with hash -910771339, now seen corresponding path program 5 times [2018-02-04 17:10:51,545 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:51,552 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:51,958 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:51,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:10:51,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:51,958 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 17:10:51,958 INFO L182 omatonBuilderFactory]: Interpolants [23137#true, 23138#false, 23139#(= 1 (select |#valid| main_~head~0.base)), 23140#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 23141#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 23142#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 23143#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 23144#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))), 23145#(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)) (= 8 (select |#length| 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))), 23146#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23147#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 23148#(and (= 8 (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_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23149#(and (= 8 (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))), 23150#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (= 8 (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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23151#(and (= 8 (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))), 23152#(and (= 8 (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~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23153#(and (= 8 (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))), 23154#(and (= 8 (select |#length| (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23155#(and (= 8 (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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 23156#(and (= 8 (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))), 23157#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23158#(and (= 8 (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))), 23159#(and (= 8 (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))), 23160#(or (and (= 8 (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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 23161#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)))), 23162#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 23163#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:10:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:10:51,958 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:10:51,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:10:51,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:10:51,959 INFO L87 Difference]: Start difference. First operand 245 states and 260 transitions. Second operand 27 states. [2018-02-04 17:10:53,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:53,137 INFO L93 Difference]: Finished difference Result 294 states and 308 transitions. [2018-02-04 17:10:53,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 17:10:53,137 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-02-04 17:10:53,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:53,138 INFO L225 Difference]: With dead ends: 294 [2018-02-04 17:10:53,138 INFO L226 Difference]: Without dead ends: 294 [2018-02-04 17:10:53,138 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=507, Invalid=2355, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 17:10:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-02-04 17:10:53,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 237. [2018-02-04 17:10:53,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 17:10:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 251 transitions. [2018-02-04 17:10:53,140 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 251 transitions. Word has length 66 [2018-02-04 17:10:53,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:53,140 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 251 transitions. [2018-02-04 17:10:53,140 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:10:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 251 transitions. [2018-02-04 17:10:53,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 17:10:53,141 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:53,141 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] [2018-02-04 17:10:53,141 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:53,141 INFO L82 PathProgramCache]: Analyzing trace with hash -542162835, now seen corresponding path program 2 times [2018-02-04 17:10:53,141 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:53,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:10:53,303 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:53,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:10:53,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:53,303 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 17:10:53,303 INFO L182 omatonBuilderFactory]: Interpolants [23749#true, 23750#false, 23751#(= (select |#valid| main_~head~0.base) 1), 23752#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23753#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 23754#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 23755#(and (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23756#(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))), 23757#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~malloc4.base|))), 23758#(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))), 23759#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 23760#(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))), 23761#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 23762#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 23763#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 23764#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 23765#(= 0 |main_#t~mem22.offset|)] [2018-02-04 17:10:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:10:53,304 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 17:10:53,304 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 17:10:53,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2018-02-04 17:10:53,304 INFO L87 Difference]: Start difference. First operand 237 states and 251 transitions. Second operand 17 states. [2018-02-04 17:10:53,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:53,747 INFO L93 Difference]: Finished difference Result 278 states and 290 transitions. [2018-02-04 17:10:53,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 17:10:53,747 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 67 [2018-02-04 17:10:53,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:53,748 INFO L225 Difference]: With dead ends: 278 [2018-02-04 17:10:53,748 INFO L226 Difference]: Without dead ends: 278 [2018-02-04 17:10:53,748 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:10:53,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-02-04 17:10:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 243. [2018-02-04 17:10:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 17:10:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 257 transitions. [2018-02-04 17:10:53,750 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 257 transitions. Word has length 67 [2018-02-04 17:10:53,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:53,750 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 257 transitions. [2018-02-04 17:10:53,750 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 17:10:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 257 transitions. [2018-02-04 17:10:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-02-04 17:10:53,750 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:53,750 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] [2018-02-04 17:10:53,750 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:53,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1578975653, now seen corresponding path program 1 times [2018-02-04 17:10:53,751 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:53,757 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:53,910 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 17:10:53,910 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:53,910 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 17:10:53,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:53,911 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 17:10:53,911 INFO L182 omatonBuilderFactory]: Interpolants [24320#false, 24321#(= 1 (select |#valid| main_~head~0.base)), 24322#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 24323#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 24324#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24325#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24326#(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))), 24327#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 24328#(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))), 24329#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 24330#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 24331#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 24332#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24333#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 24334#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 24335#(= 0 |main_#t~mem20.offset|), 24336#(= 0 main_~x~0.offset), 24337#(= main_~head~0.offset 0), 24319#true] [2018-02-04 17:10:53,911 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 17:10:53,911 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 17:10:53,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 17:10:53,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-02-04 17:10:53,911 INFO L87 Difference]: Start difference. First operand 243 states and 257 transitions. Second operand 19 states. [2018-02-04 17:10:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:54,429 INFO L93 Difference]: Finished difference Result 264 states and 272 transitions. [2018-02-04 17:10:54,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 17:10:54,429 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 68 [2018-02-04 17:10:54,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:54,430 INFO L225 Difference]: With dead ends: 264 [2018-02-04 17:10:54,430 INFO L226 Difference]: Without dead ends: 264 [2018-02-04 17:10:54,430 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:10:54,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-02-04 17:10:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 242. [2018-02-04 17:10:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-02-04 17:10:54,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 256 transitions. [2018-02-04 17:10:54,432 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 256 transitions. Word has length 68 [2018-02-04 17:10:54,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:54,432 INFO L432 AbstractCegarLoop]: Abstraction has 242 states and 256 transitions. [2018-02-04 17:10:54,432 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 17:10:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 256 transitions. [2018-02-04 17:10:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 17:10:54,433 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:54,433 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 17:10:54,433 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:54,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1327435569, now seen corresponding path program 2 times [2018-02-04 17:10:54,434 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:54,440 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:10:54,621 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:54,621 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:10:54,621 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:54,621 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 17:10:54,622 INFO L182 omatonBuilderFactory]: Interpolants [24874#true, 24875#false, 24876#(= 1 (select |#valid| main_~head~0.base)), 24877#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 24878#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 24879#(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_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24880#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24881#(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))), 24882#(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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 24883#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 24884#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|))), 24885#(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)))), 24886#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 24887#(not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24888#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 24889#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 24890#(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)))), 24891#(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)))), 24892#(= 1 (select (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base)), 24893#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:10:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:10:54,622 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 17:10:54,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 17:10:54,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2018-02-04 17:10:54,622 INFO L87 Difference]: Start difference. First operand 242 states and 256 transitions. Second operand 20 states. [2018-02-04 17:10:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:55,110 INFO L93 Difference]: Finished difference Result 279 states and 291 transitions. [2018-02-04 17:10:55,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 17:10:55,111 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 69 [2018-02-04 17:10:55,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:55,111 INFO L225 Difference]: With dead ends: 279 [2018-02-04 17:10:55,111 INFO L226 Difference]: Without dead ends: 279 [2018-02-04 17:10:55,112 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1224, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 17:10:55,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-02-04 17:10:55,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 244. [2018-02-04 17:10:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-02-04 17:10:55,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 258 transitions. [2018-02-04 17:10:55,114 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 258 transitions. Word has length 69 [2018-02-04 17:10:55,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:55,114 INFO L432 AbstractCegarLoop]: Abstraction has 244 states and 258 transitions. [2018-02-04 17:10:55,114 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 17:10:55,114 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 258 transitions. [2018-02-04 17:10:55,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 17:10:55,114 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:55,115 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] [2018-02-04 17:10:55,115 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:55,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1272142467, now seen corresponding path program 2 times [2018-02-04 17:10:55,115 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:55,124 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:55,595 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 17:10:55,596 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:55,596 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 17:10:55,596 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:55,596 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 17:10:55,596 INFO L182 omatonBuilderFactory]: Interpolants [25472#(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 (= (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_~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)), 25473#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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 (= (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_~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))), 25474#(or (not (= 0 |main_#t~mem14|)) (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 (= (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_~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))), 25475#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 25476#(and (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 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))), 25477#(and (not (= 0 main_~x~0.base)) (not (= (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 (= (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)))), 25478#(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) 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))), 25479#(and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 25480#(and (not (= main_~x~0.base 0)) (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))), 25481#(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 (= main_~x~0.base 0))), 25482#(and (not (= main_~head~0.base 0)) (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)))), 25483#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= main_~head~0.offset 0)))), 25484#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0)))), 25485#(= 1 (select |#valid| main_~x~0.base)), 25457#true, 25458#false, 25459#(not (= 0 |main_#t~malloc0.base|)), 25460#(not (= 0 main_~head~0.base)), 25461#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 25462#(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)), 25463#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 25464#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25465#(and (= |main_#t~mem6.offset| 0) (not (= (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~mem6.base|)) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 25466#(and (= 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) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25467#(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 (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 25468#(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~malloc9.base|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base))), 25469#(and (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset 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)))), 25470#(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_#t~mem11.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) 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 (= |main_#t~mem11.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)))), 25471#(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 (= (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))))] [2018-02-04 17:10:55,596 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 17:10:55,596 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 17:10:55,597 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 17:10:55,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=710, Unknown=0, NotChecked=0, Total=812 [2018-02-04 17:10:55,597 INFO L87 Difference]: Start difference. First operand 244 states and 258 transitions. Second operand 29 states. [2018-02-04 17:10:56,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:56,975 INFO L93 Difference]: Finished difference Result 292 states and 304 transitions. [2018-02-04 17:10:56,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 17:10:56,976 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 70 [2018-02-04 17:10:56,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:56,976 INFO L225 Difference]: With dead ends: 292 [2018-02-04 17:10:56,976 INFO L226 Difference]: Without dead ends: 292 [2018-02-04 17:10:56,977 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=598, Invalid=2942, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 17:10:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-02-04 17:10:56,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 249. [2018-02-04 17:10:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-02-04 17:10:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 264 transitions. [2018-02-04 17:10:56,978 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 264 transitions. Word has length 70 [2018-02-04 17:10:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:56,978 INFO L432 AbstractCegarLoop]: Abstraction has 249 states and 264 transitions. [2018-02-04 17:10:56,978 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 17:10:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 264 transitions. [2018-02-04 17:10:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-02-04 17:10:56,979 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:56,979 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] [2018-02-04 17:10:56,979 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:56,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1272142466, now seen corresponding path program 2 times [2018-02-04 17:10:56,979 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:56,985 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:57,440 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 17:10:57,440 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:57,440 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:10:57,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:57,441 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 17:10:57,441 INFO L182 omatonBuilderFactory]: Interpolants [26112#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (not (= main_~x~0.offset 0)) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 26113#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0)))), 26114#(and (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|)) (or (<= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0)))), 26115#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (or (<= 0 main_~x~0.offset) (not (= main_~head~0.offset 0)))), 26116#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 26089#true, 26090#false, 26091#(= 1 (select |#valid| main_~head~0.base)), 26092#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26093#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 26094#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 26095#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 26096#(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))), 26097#(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))), 26098#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)), 26099#(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) 0))), 26100#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 26101#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 26102#(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)), 26103#(and (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)), 26104#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (or (not (= 0 |main_#t~mem14|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 26105#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 26106#(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| main_~x~0.base) 0))), 26107#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 0 |main_#t~mem17.offset|)) (= |main_#t~mem17.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~mem17.base|)), 26108#(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))) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset 0))), 26109#(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)) 8) (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)))) (or (<= 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_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 26110#(and (or (<= 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))) (not (= (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) (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))))), 26111#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (or (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= |main_#t~mem20.offset| 0))))] [2018-02-04 17:10:57,441 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 17:10:57,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 17:10:57,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 17:10:57,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:10:57,442 INFO L87 Difference]: Start difference. First operand 249 states and 264 transitions. Second operand 28 states. [2018-02-04 17:10:58,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:58,519 INFO L93 Difference]: Finished difference Result 280 states and 289 transitions. [2018-02-04 17:10:58,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:10:58,519 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 70 [2018-02-04 17:10:58,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:58,520 INFO L225 Difference]: With dead ends: 280 [2018-02-04 17:10:58,520 INFO L226 Difference]: Without dead ends: 280 [2018-02-04 17:10:58,520 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 506 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=276, Invalid=2376, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 17:10:58,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-02-04 17:10:58,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 256. [2018-02-04 17:10:58,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 17:10:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 271 transitions. [2018-02-04 17:10:58,522 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 271 transitions. Word has length 70 [2018-02-04 17:10:58,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:58,522 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 271 transitions. [2018-02-04 17:10:58,522 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 17:10:58,522 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 271 transitions. [2018-02-04 17:10:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 17:10:58,523 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:58,523 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] [2018-02-04 17:10:58,523 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:58,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2091544837, now seen corresponding path program 1 times [2018-02-04 17:10:58,523 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:58,532 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:58,743 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 17:10:58,743 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:58,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 17:10:58,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:58,744 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 17:10:58,744 INFO L182 omatonBuilderFactory]: Interpolants [26720#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 26721#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 26722#(= 0 |main_#t~mem22.offset|), 26701#true, 26702#false, 26703#(= 1 (select |#valid| main_~head~0.base)), 26704#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 26705#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 26706#(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) (= (select |#valid| main_~x~0.base) 1)), 26707#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 26708#(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))), 26709#(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))), 26710#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 26711#(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)))), 26712#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 26713#(= 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))), 26714#(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)), 26715#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 26716#(or (not (= 0 |main_#t~mem14|)) (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))), 26717#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 26718#(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)))), 26719#(= 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)))] [2018-02-04 17:10:58,744 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 17:10:58,744 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 17:10:58,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 17:10:58,744 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2018-02-04 17:10:58,744 INFO L87 Difference]: Start difference. First operand 256 states and 271 transitions. Second operand 22 states. [2018-02-04 17:10:59,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:10:59,358 INFO L93 Difference]: Finished difference Result 268 states and 278 transitions. [2018-02-04 17:10:59,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 17:10:59,358 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 71 [2018-02-04 17:10:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:10:59,359 INFO L225 Difference]: With dead ends: 268 [2018-02-04 17:10:59,359 INFO L226 Difference]: Without dead ends: 268 [2018-02-04 17:10:59,359 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1267, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 17:10:59,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-02-04 17:10:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 256. [2018-02-04 17:10:59,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 17:10:59,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 270 transitions. [2018-02-04 17:10:59,360 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 270 transitions. Word has length 71 [2018-02-04 17:10:59,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:10:59,361 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 270 transitions. [2018-02-04 17:10:59,361 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 17:10:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 270 transitions. [2018-02-04 17:10:59,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 17:10:59,361 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:10:59,361 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] [2018-02-04 17:10:59,361 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:10:59,361 INFO L82 PathProgramCache]: Analyzing trace with hash 2091544838, now seen corresponding path program 1 times [2018-02-04 17:10:59,362 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:10:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:10:59,367 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:10:59,720 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 17:10:59,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:10:59,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 17:10:59,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:10:59,721 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 17:10:59,721 INFO L182 omatonBuilderFactory]: Interpolants [27281#true, 27282#false, 27283#(not (= 0 |main_#t~malloc0.base|)), 27284#(not (= 0 main_~head~0.base)), 27285#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 27286#(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)), 27287#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 27288#(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) (= (select |#valid| main_~x~0.base) 1)), 27289#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 27290#(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))), 27291#(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))), 27292#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base))), 27293#(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 (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 27294#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 27295#(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))))), 27296#(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)), 27297#(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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 27298#(or (not (= 0 |main_#t~mem14|)) (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))), 27299#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 27300#(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)))), 27301#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem17.base|) (not (= 0 main_~head~0.base))), 27302#(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)))), 27303#(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))))), 27304#(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))))), 27305#(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))), 27306#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 27307#(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))), 27308#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 27309#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 17:10:59,721 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 17:10:59,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 17:10:59,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 17:10:59,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2018-02-04 17:10:59,721 INFO L87 Difference]: Start difference. First operand 256 states and 270 transitions. Second operand 29 states. [2018-02-04 17:11:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:00,680 INFO L93 Difference]: Finished difference Result 289 states and 299 transitions. [2018-02-04 17:11:00,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:00,680 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 71 [2018-02-04 17:11:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:00,681 INFO L225 Difference]: With dead ends: 289 [2018-02-04 17:11:00,681 INFO L226 Difference]: Without dead ends: 289 [2018-02-04 17:11:00,681 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=424, Invalid=2546, Unknown=0, NotChecked=0, Total=2970 [2018-02-04 17:11:00,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-02-04 17:11:00,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 256. [2018-02-04 17:11:00,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-02-04 17:11:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 269 transitions. [2018-02-04 17:11:00,683 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 269 transitions. Word has length 71 [2018-02-04 17:11:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:00,683 INFO L432 AbstractCegarLoop]: Abstraction has 256 states and 269 transitions. [2018-02-04 17:11:00,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 17:11:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 269 transitions. [2018-02-04 17:11:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 17:11:00,684 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:00,684 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, 1, 1] [2018-02-04 17:11:00,684 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:00,684 INFO L82 PathProgramCache]: Analyzing trace with hash -60289681, now seen corresponding path program 2 times [2018-02-04 17:11:00,684 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:00,692 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:01,116 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:01,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 17:11:01,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:01,116 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 17:11:01,116 INFO L182 omatonBuilderFactory]: Interpolants [27907#true, 27908#false, 27909#(= 0 |main_#t~malloc0.offset|), 27910#(= main_~head~0.offset 0), 27911#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 27912#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 27913#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 27914#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (not (= |main_#t~malloc4.base| main_~x~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 27915#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~x~0.base))), 27916#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= |main_#t~mem6.base| main_~head~0.base)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 27917#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27918#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 27919#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 27920#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~head~0.base |main_#t~mem6.base|)) (= main_~head~0.offset 0)), 27921#(and (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27922#(and (= 0 |main_#t~malloc9.offset|) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 27923#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 27924#(and (= |main_#t~mem11.offset| 0) (or (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) main_~head~0.base) (+ main_~head~0.offset 4))) (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0)), 27925#(and (or (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 2) (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 27926#(and (or (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 2) (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 4))) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 27927#(and (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) (select |#valid| main_~x~0.base)))) (= main_~head~0.offset 0)), 27928#(and (not (= (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 4)) 1)) (= main_~head~0.offset 0)), 27929#(not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 1)), 27930#(not (= |main_#t~mem19| 1))] [2018-02-04 17:11:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:01,117 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 17:11:01,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 17:11:01,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2018-02-04 17:11:01,117 INFO L87 Difference]: Start difference. First operand 256 states and 269 transitions. Second operand 24 states. [2018-02-04 17:11:01,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:01,672 INFO L93 Difference]: Finished difference Result 248 states and 258 transitions. [2018-02-04 17:11:01,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:11:01,672 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 71 [2018-02-04 17:11:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:01,673 INFO L225 Difference]: With dead ends: 248 [2018-02-04 17:11:01,673 INFO L226 Difference]: Without dead ends: 234 [2018-02-04 17:11:01,673 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=451, Invalid=1441, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 17:11:01,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-02-04 17:11:01,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 228. [2018-02-04 17:11:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 17:11:01,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 237 transitions. [2018-02-04 17:11:01,675 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 237 transitions. Word has length 71 [2018-02-04 17:11:01,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:01,675 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 237 transitions. [2018-02-04 17:11:01,675 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 17:11:01,675 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 237 transitions. [2018-02-04 17:11:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 17:11:01,675 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:01,675 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] [2018-02-04 17:11:01,676 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:01,676 INFO L82 PathProgramCache]: Analyzing trace with hash -70100121, now seen corresponding path program 1 times [2018-02-04 17:11:01,676 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:01,682 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:01,956 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 17:11:01,956 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:01,956 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 17:11:01,956 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:01,956 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 17:11:01,956 INFO L182 omatonBuilderFactory]: Interpolants [28448#false, 28449#(= 1 (select |#valid| main_~head~0.base)), 28450#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28451#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 28452#(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) (= (select |#valid| main_~x~0.base) 1)), 28453#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 28454#(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))), 28455#(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))), 28456#(and (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 28457#(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)))), 28458#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 28459#(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)))), 28460#(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))))), 28461#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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)))))), 28462#(or (not (= 0 |main_#t~mem14|)) (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)))))), 28463#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 28464#(and (= 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))))), 28465#(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)))), 28466#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 28467#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 28468#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 28469#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 28470#(= 1 (select |#valid| main_~x~0.base)), 28447#true] [2018-02-04 17:11:01,957 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 17:11:01,957 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 17:11:01,957 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 17:11:01,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2018-02-04 17:11:01,957 INFO L87 Difference]: Start difference. First operand 228 states and 237 transitions. Second operand 24 states. [2018-02-04 17:11:02,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:02,660 INFO L93 Difference]: Finished difference Result 237 states and 244 transitions. [2018-02-04 17:11:02,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-02-04 17:11:02,660 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 73 [2018-02-04 17:11:02,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:02,660 INFO L225 Difference]: With dead ends: 237 [2018-02-04 17:11:02,660 INFO L226 Difference]: Without dead ends: 237 [2018-02-04 17:11:02,661 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=313, Invalid=1667, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:11:02,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-02-04 17:11:02,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 228. [2018-02-04 17:11:02,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-02-04 17:11:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 236 transitions. [2018-02-04 17:11:02,663 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 236 transitions. Word has length 73 [2018-02-04 17:11:02,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:02,663 INFO L432 AbstractCegarLoop]: Abstraction has 228 states and 236 transitions. [2018-02-04 17:11:02,663 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 17:11:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 236 transitions. [2018-02-04 17:11:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 17:11:02,663 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:02,663 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, 1, 1, 1, 1, 1, 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 17:11:02,663 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:02,663 INFO L82 PathProgramCache]: Analyzing trace with hash -162072200, now seen corresponding path program 4 times [2018-02-04 17:11:02,664 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:02,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:02,670 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:03,105 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:03,105 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:11:03,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:03,106 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 17:11:03,106 INFO L182 omatonBuilderFactory]: Interpolants [28992#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 28993#(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)))), 28994#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 28995#(= 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))))), 28996#(= 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))))), 28997#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 28998#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 28999#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29000#(= 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)))), 29001#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 29002#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 29003#(= 1 (select |#valid| |main_#t~mem17.base|)), 29004#(= 1 (select |#valid| main_~x~0.base)), 28978#true, 28979#false, 28980#(= 1 (select |#valid| main_~head~0.base)), 28981#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 28982#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 28983#(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) (= (select |#valid| main_~x~0.base) 1)), 28984#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 28985#(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))), 28986#(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))), 28987#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 28988#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 28989#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 28990#(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)))), 28991#(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))))] [2018-02-04 17:11:03,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:03,106 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:03,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:03,106 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:03,107 INFO L87 Difference]: Start difference. First operand 228 states and 236 transitions. Second operand 27 states. [2018-02-04 17:11:04,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:04,405 INFO L93 Difference]: Finished difference Result 290 states and 300 transitions. [2018-02-04 17:11:04,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 17:11:04,406 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 17:11:04,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:04,406 INFO L225 Difference]: With dead ends: 290 [2018-02-04 17:11:04,406 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 17:11:04,407 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 525 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=354, Invalid=2298, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 17:11:04,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 17:11:04,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 245. [2018-02-04 17:11:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 17:11:04,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 255 transitions. [2018-02-04 17:11:04,408 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 255 transitions. Word has length 73 [2018-02-04 17:11:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:04,408 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 255 transitions. [2018-02-04 17:11:04,408 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:04,408 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2018-02-04 17:11:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 17:11:04,409 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:04,409 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, 1, 1, 1, 1, 1, 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 17:11:04,409 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:04,409 INFO L82 PathProgramCache]: Analyzing trace with hash -162072199, now seen corresponding path program 3 times [2018-02-04 17:11:04,409 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:04,415 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:04,869 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:04,869 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:11:04,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:04,869 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 17:11:04,870 INFO L182 omatonBuilderFactory]: Interpolants [29590#true, 29591#false, 29592#(= 1 (select |#valid| main_~head~0.base)), 29593#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 29594#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 29595#(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) (= (select |#valid| main_~x~0.base) 1)), 29596#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 29597#(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))), 29598#(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))), 29599#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 29600#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 29601#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 29602#(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)))), 29603#(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)))), 29604#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 29605#(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))) (= 8 (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))))), 29606#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))) (= 8 (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)))))), 29607#(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 |#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)))))), 29608#(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)) (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 (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)))))), 29609#(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)) (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 (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)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 29610#(or (not (= 0 |main_#t~mem14|)) (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)) (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 (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))))))), 29611#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29612#(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))) (= 8 (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))))), 29613#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 29614#(and (= 8 (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))), 29615#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 29616#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:11:04,870 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:04,870 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:04,870 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:04,870 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:04,870 INFO L87 Difference]: Start difference. First operand 245 states and 255 transitions. Second operand 27 states. [2018-02-04 17:11:06,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:06,230 INFO L93 Difference]: Finished difference Result 314 states and 324 transitions. [2018-02-04 17:11:06,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:06,230 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 17:11:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:06,231 INFO L225 Difference]: With dead ends: 314 [2018-02-04 17:11:06,231 INFO L226 Difference]: Without dead ends: 314 [2018-02-04 17:11:06,231 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=1938, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:11:06,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-02-04 17:11:06,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 237. [2018-02-04 17:11:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 17:11:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 246 transitions. [2018-02-04 17:11:06,233 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 246 transitions. Word has length 73 [2018-02-04 17:11:06,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:06,233 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 246 transitions. [2018-02-04 17:11:06,233 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:06,233 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2018-02-04 17:11:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 17:11:06,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:06,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:06,233 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:06,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1715197243, now seen corresponding path program 7 times [2018-02-04 17:11:06,234 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:06,240 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:06,593 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:06,593 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:06,594 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:11:06,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:06,594 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 17:11:06,594 INFO L182 omatonBuilderFactory]: Interpolants [30208#true, 30209#false, 30210#(= 1 (select |#valid| main_~head~0.base)), 30211#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30212#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 30213#(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) (= (select |#valid| main_~x~0.base) 1)), 30214#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 30215#(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))), 30216#(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))), 30217#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 30218#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 30219#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 30220#(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)))), 30221#(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)))), 30222#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 30223#(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)))), 30224#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 30225#(= 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))))), 30226#(= 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))))), 30227#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 30228#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 30229#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30230#(= 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)))), 30231#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 30232#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 30233#(= 1 (select |#valid| |main_#t~mem15.base|)), 30234#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:06,594 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:06,594 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:06,594 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=629, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:06,594 INFO L87 Difference]: Start difference. First operand 237 states and 246 transitions. Second operand 27 states. [2018-02-04 17:11:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:07,794 INFO L93 Difference]: Finished difference Result 290 states and 300 transitions. [2018-02-04 17:11:07,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:11:07,794 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 17:11:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:07,795 INFO L225 Difference]: With dead ends: 290 [2018-02-04 17:11:07,795 INFO L226 Difference]: Without dead ends: 290 [2018-02-04 17:11:07,795 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=316, Invalid=2036, Unknown=0, NotChecked=0, Total=2352 [2018-02-04 17:11:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-02-04 17:11:07,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 245. [2018-02-04 17:11:07,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-02-04 17:11:07,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 255 transitions. [2018-02-04 17:11:07,797 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 255 transitions. Word has length 73 [2018-02-04 17:11:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:07,797 INFO L432 AbstractCegarLoop]: Abstraction has 245 states and 255 transitions. [2018-02-04 17:11:07,797 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 255 transitions. [2018-02-04 17:11:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-02-04 17:11:07,798 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:07,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:07,798 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:07,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1715197244, now seen corresponding path program 6 times [2018-02-04 17:11:07,799 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:07,806 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:08,254 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:08,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:11:08,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:08,254 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 17:11:08,255 INFO L182 omatonBuilderFactory]: Interpolants [30814#true, 30815#false, 30816#(= 1 (select |#valid| main_~head~0.base)), 30817#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 30818#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 30819#(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) (= (select |#valid| main_~x~0.base) 1)), 30820#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 30821#(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))), 30822#(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))), 30823#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 30824#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 30825#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 30826#(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)))), 30827#(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)))), 30828#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 30829#(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))) (= 8 (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))))), 30830#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))) (= 8 (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)))))), 30831#(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 |#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)))))), 30832#(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)) (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 (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)))))), 30833#(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)) (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 (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)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 30834#(or (not (= 0 |main_#t~mem14|)) (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)) (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 (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))))))), 30835#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30836#(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))) (= 8 (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))))), 30837#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 30838#(and (= 8 (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))), 30839#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 30840#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:11:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:08,255 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:08,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:08,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:08,255 INFO L87 Difference]: Start difference. First operand 245 states and 255 transitions. Second operand 27 states. [2018-02-04 17:11:09,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:09,721 INFO L93 Difference]: Finished difference Result 324 states and 335 transitions. [2018-02-04 17:11:09,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:09,721 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 73 [2018-02-04 17:11:09,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:09,722 INFO L225 Difference]: With dead ends: 324 [2018-02-04 17:11:09,722 INFO L226 Difference]: Without dead ends: 324 [2018-02-04 17:11:09,722 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=224, Invalid=1938, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:11:09,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-02-04 17:11:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 237. [2018-02-04 17:11:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-02-04 17:11:09,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 246 transitions. [2018-02-04 17:11:09,724 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 246 transitions. Word has length 73 [2018-02-04 17:11:09,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:09,724 INFO L432 AbstractCegarLoop]: Abstraction has 237 states and 246 transitions. [2018-02-04 17:11:09,724 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 246 transitions. [2018-02-04 17:11:09,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 17:11:09,724 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:09,724 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] [2018-02-04 17:11:09,725 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:09,725 INFO L82 PathProgramCache]: Analyzing trace with hash -629470913, now seen corresponding path program 2 times [2018-02-04 17:11:09,725 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:09,730 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:09,966 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 17:11:09,967 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:09,967 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 17:11:09,967 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:09,967 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 17:11:09,967 INFO L182 omatonBuilderFactory]: Interpolants [31442#true, 31443#false, 31444#(= 1 (select |#valid| main_~head~0.base)), 31445#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 31446#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 31447#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 31448#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 31449#(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))), 31450#(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))), 31451#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)), 31452#(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) 0))), 31453#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 31454#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 31455#(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)), 31456#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 31457#(or (not (= 0 |main_#t~mem14|)) (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))), 31458#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 31459#(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))), 31460#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 31461#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)), 31462#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 31463#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 31464#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 31465#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 31466#(= 0 main_~x~0.offset), 31467#(= main_~head~0.offset 0)] [2018-02-04 17:11:09,967 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 17:11:09,967 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 17:11:09,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 17:11:09,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2018-02-04 17:11:09,968 INFO L87 Difference]: Start difference. First operand 237 states and 246 transitions. Second operand 26 states. [2018-02-04 17:11:10,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:10,585 INFO L93 Difference]: Finished difference Result 254 states and 262 transitions. [2018-02-04 17:11:10,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 17:11:10,585 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-02-04 17:11:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:10,586 INFO L225 Difference]: With dead ends: 254 [2018-02-04 17:11:10,586 INFO L226 Difference]: Without dead ends: 254 [2018-02-04 17:11:10,586 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=257, Invalid=1723, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:11:10,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-02-04 17:11:10,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 239. [2018-02-04 17:11:10,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-02-04 17:11:10,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 251 transitions. [2018-02-04 17:11:10,587 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 251 transitions. Word has length 74 [2018-02-04 17:11:10,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:10,588 INFO L432 AbstractCegarLoop]: Abstraction has 239 states and 251 transitions. [2018-02-04 17:11:10,588 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 17:11:10,588 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 251 transitions. [2018-02-04 17:11:10,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:10,588 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:10,588 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] [2018-02-04 17:11:10,589 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:10,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1353265671, now seen corresponding path program 1 times [2018-02-04 17:11:10,589 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:10,596 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:11,901 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 17:11:11,902 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:11,902 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:11:11,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:11,902 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 17:11:11,902 INFO L182 omatonBuilderFactory]: Interpolants [32000#false, 32001#(= |#valid| |old(#valid)|), 32002#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 32003#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 32004#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 32005#(and (= main_~x~0.offset main_~head~0.offset) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 32006#(and (= main_~x~0.offset main_~head~0.offset) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 32007#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|)), 32008#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= (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~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 32009#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 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 (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32010#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 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 (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 32011#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (= |old(#valid)| (store (store (store |#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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc9.base| 0)) (not (= 0 main_~head~0.base)) (not (= |main_#t~malloc9.base| 0))), 32012#(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| 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)) (not (= (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_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (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 |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32013#(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~mem11.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) 0)) (not (= |main_#t~mem11.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)) (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)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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 (= (select (select |#memory_$Pointer$.base| (select (select |#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))), 32014#(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 (= (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_~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)))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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 (= (select (select |#memory_$Pointer$.base| (select (select |#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))), 32015#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| 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) (not (= (select (select |#memory_$Pointer$.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)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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_~head~0.offset)) 0) |old(#valid)|) (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))))), 32016#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| 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) (not (= (select (select |#memory_$Pointer$.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)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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_~head~0.offset)) 0) |old(#valid)|) (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)))))), 32017#(or (not (= 0 |main_#t~mem14|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| 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) (not (= (select (select |#memory_$Pointer$.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)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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_~head~0.offset)) 0) |old(#valid)|) (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)))))), 32018#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.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) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.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 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) 0))), 32019#(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 (= (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| 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 main_~head~0.base)) (= |old(#valid)| (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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 (= (select (select |#memory_$Pointer$.base| (select (select |#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))), 32020#(and (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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~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)) 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)))) (not (= (select (select |#memory_$Pointer$.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))), 32021#(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)))) (= |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) 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))) (not (= (select (select |#memory_$Pointer$.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))), 32022#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base |main_#t~mem20.base|)) (= (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem20.base| 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0) |old(#valid)|) (not (= |main_#t~mem20.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0)) (not (= 0 main_~head~0.base)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 32023#(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 (= 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 (= main_~x~0.base 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 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)))), 32024#(and (not (= main_~x~0.base 0)) (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) 0)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 32025#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= |main_#t~mem22.base| 0)) (not (= main_~x~0.base 0)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 32026#(and (not (= main_~x~0.base 0)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 31999#true] [2018-02-04 17:11:11,902 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 17:11:11,902 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 17:11:11,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 17:11:11,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=686, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:11:11,903 INFO L87 Difference]: Start difference. First operand 239 states and 251 transitions. Second operand 28 states. [2018-02-04 17:11:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:13,240 INFO L93 Difference]: Finished difference Result 241 states and 252 transitions. [2018-02-04 17:11:13,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:13,240 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 17:11:13,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:13,241 INFO L225 Difference]: With dead ends: 241 [2018-02-04 17:11:13,241 INFO L226 Difference]: Without dead ends: 231 [2018-02-04 17:11:13,241 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 13 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=199, Invalid=1781, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:11:13,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-02-04 17:11:13,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-02-04 17:11:13,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-02-04 17:11:13,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 242 transitions. [2018-02-04 17:11:13,243 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 242 transitions. Word has length 75 [2018-02-04 17:11:13,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:13,243 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 242 transitions. [2018-02-04 17:11:13,243 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 17:11:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 242 transitions. [2018-02-04 17:11:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:13,244 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:13,244 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] [2018-02-04 17:11:13,244 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:13,244 INFO L82 PathProgramCache]: Analyzing trace with hash 777993952, now seen corresponding path program 3 times [2018-02-04 17:11:13,244 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:13,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 17:11:13,560 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:13,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 17:11:13,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:13,560 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 17:11:13,560 INFO L182 omatonBuilderFactory]: Interpolants [32533#true, 32534#false, 32535#(not (= 0 |main_#t~malloc0.base|)), 32536#(not (= 0 main_~head~0.base)), 32537#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 32538#(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)), 32539#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 32540#(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) (= (select |#valid| main_~x~0.base) 1)), 32541#(and (= |main_#t~mem6.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~mem6.base|)) (not (= 0 main_~head~0.base))), 32542#(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))), 32543#(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~malloc4.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 |main_#t~malloc4.base|))), 32544#(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)))), 32545#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.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))), 32546#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 32547#(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)))), 32548#(and (not (= |main_#t~mem11.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))), 32549#(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))), 32550#(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)), 32551#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 32552#(or (not (= 0 |main_#t~mem14|)) (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))), 32553#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 32554#(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))), 32555#(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))), 32556#(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))), 32557#(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))), 32558#(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))), 32559#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= 0 main_~head~0.base))), 32560#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 32561#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-02-04 17:11:13,561 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 17:11:13,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 17:11:13,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=699, Unknown=0, NotChecked=0, Total=812 [2018-02-04 17:11:13,561 INFO L87 Difference]: Start difference. First operand 231 states and 242 transitions. Second operand 29 states. [2018-02-04 17:11:14,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:14,845 INFO L93 Difference]: Finished difference Result 282 states and 294 transitions. [2018-02-04 17:11:14,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 17:11:14,845 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 75 [2018-02-04 17:11:14,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:14,846 INFO L225 Difference]: With dead ends: 282 [2018-02-04 17:11:14,846 INFO L226 Difference]: Without dead ends: 282 [2018-02-04 17:11:14,846 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=829, Invalid=3077, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 17:11:14,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2018-02-04 17:11:14,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 236. [2018-02-04 17:11:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-02-04 17:11:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 248 transitions. [2018-02-04 17:11:14,848 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 248 transitions. Word has length 75 [2018-02-04 17:11:14,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:14,848 INFO L432 AbstractCegarLoop]: Abstraction has 236 states and 248 transitions. [2018-02-04 17:11:14,848 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 17:11:14,848 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 248 transitions. [2018-02-04 17:11:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:14,848 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:14,848 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] [2018-02-04 17:11:14,848 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:14,849 INFO L82 PathProgramCache]: Analyzing trace with hash 777993953, now seen corresponding path program 3 times [2018-02-04 17:11:14,849 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:14,854 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:14,914 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:11:14,914 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:14,914 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 17:11:14,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:14,914 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 17:11:14,915 INFO L182 omatonBuilderFactory]: Interpolants [33152#(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))), 33153#(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 8) (select |#length| main_~x~0.base))), 33154#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 8) (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))), 33155#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (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))), 33156#(and (<= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 33157#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 33148#true, 33149#false, 33150#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 33151#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 17:11:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:11:14,915 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 17:11:14,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 17:11:14,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 17:11:14,915 INFO L87 Difference]: Start difference. First operand 236 states and 248 transitions. Second operand 10 states. [2018-02-04 17:11:15,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:15,108 INFO L93 Difference]: Finished difference Result 281 states and 293 transitions. [2018-02-04 17:11:15,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 17:11:15,108 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2018-02-04 17:11:15,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:15,109 INFO L225 Difference]: With dead ends: 281 [2018-02-04 17:11:15,109 INFO L226 Difference]: Without dead ends: 281 [2018-02-04 17:11:15,109 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 17:11:15,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-02-04 17:11:15,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 243. [2018-02-04 17:11:15,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-02-04 17:11:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 255 transitions. [2018-02-04 17:11:15,111 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 255 transitions. Word has length 75 [2018-02-04 17:11:15,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:15,111 INFO L432 AbstractCegarLoop]: Abstraction has 243 states and 255 transitions. [2018-02-04 17:11:15,112 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 17:11:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 255 transitions. [2018-02-04 17:11:15,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:15,112 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:15,112 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:15,112 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:15,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1310130996, now seen corresponding path program 5 times [2018-02-04 17:11:15,113 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:15,128 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:15,636 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 17:11:15,637 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:15,637 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:11:15,637 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:15,637 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 17:11:15,637 INFO L182 omatonBuilderFactory]: Interpolants [33694#true, 33695#false, 33696#(= 1 (select |#valid| main_~head~0.base)), 33697#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 33698#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 33699#(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) (= (select |#valid| main_~x~0.base) 1)), 33700#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 33701#(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))), 33702#(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))), 33703#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 33704#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 33705#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 33706#(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)))), 33707#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 33708#(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 (= 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 |#valid| main_~x~0.base) 1)), 33709#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 33710#(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))))), 33711#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 33712#(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))))), 33713#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 33714#(= 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)))), 33715#(= 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)))), 33716#(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 4))))), 33717#(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~mem14|))), 33718#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 33719#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 33720#(= 1 (select |#valid| |main_#t~mem17.base|)), 33721#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:15,637 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 17:11:15,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 17:11:15,638 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 17:11:15,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:11:15,638 INFO L87 Difference]: Start difference. First operand 243 states and 255 transitions. Second operand 28 states. [2018-02-04 17:11:17,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:17,302 INFO L93 Difference]: Finished difference Result 356 states and 372 transitions. [2018-02-04 17:11:17,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 17:11:17,302 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 17:11:17,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:17,302 INFO L225 Difference]: With dead ends: 356 [2018-02-04 17:11:17,303 INFO L226 Difference]: Without dead ends: 356 [2018-02-04 17:11:17,303 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=606, Invalid=3816, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 17:11:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2018-02-04 17:11:17,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 283. [2018-02-04 17:11:17,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 17:11:17,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 298 transitions. [2018-02-04 17:11:17,305 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 298 transitions. Word has length 75 [2018-02-04 17:11:17,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:17,305 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 298 transitions. [2018-02-04 17:11:17,305 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 17:11:17,305 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 298 transitions. [2018-02-04 17:11:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:17,305 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:17,305 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:17,305 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:17,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1310130997, now seen corresponding path program 4 times [2018-02-04 17:11:17,306 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:17,315 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:17,972 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 17:11:17,972 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:17,972 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 17:11:17,972 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:17,972 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 17:11:17,972 INFO L182 omatonBuilderFactory]: Interpolants [34439#true, 34440#false, 34441#(= 1 (select |#valid| main_~head~0.base)), 34442#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 34443#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 34444#(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) (= (select |#valid| main_~x~0.base) 1)), 34445#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 34446#(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))), 34447#(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))), 34448#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 34449#(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)) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 34450#(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_$Pointer$.base| (select (select |#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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 34451#(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 |#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)))), 34452#(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)) (= 8 (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)))), 34453#(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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 34454#(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))) (= (select |#length| main_~x~0.base) 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_~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 |#valid| main_~x~0.base) 1)), 34455#(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 |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 34456#(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 |#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))))), 34457#(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)) (<= 8 (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))))), 34458#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 34459#(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))) (<= 8 (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)))), 34460#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 34461#(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 |#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))))), 34462#(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))) (<= 8 (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))))), 34463#(and (or (= 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))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (<= 8 (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)))))), 34464#(and (or (not (= 0 |main_#t~mem14|)) (<= 8 (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))))) (or (= 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))) (not (= 0 |main_#t~mem14|)))), 34465#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 34466#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 34467#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 34468#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 17:11:17,972 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 17:11:17,973 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 17:11:17,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 17:11:17,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 17:11:17,973 INFO L87 Difference]: Start difference. First operand 283 states and 298 transitions. Second operand 30 states. [2018-02-04 17:11:20,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:20,028 INFO L93 Difference]: Finished difference Result 376 states and 392 transitions. [2018-02-04 17:11:20,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 17:11:20,029 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 17:11:20,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:20,029 INFO L225 Difference]: With dead ends: 376 [2018-02-04 17:11:20,029 INFO L226 Difference]: Without dead ends: 376 [2018-02-04 17:11:20,030 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:11:20,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-02-04 17:11:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 275. [2018-02-04 17:11:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-02-04 17:11:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 289 transitions. [2018-02-04 17:11:20,031 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 289 transitions. Word has length 75 [2018-02-04 17:11:20,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:20,032 INFO L432 AbstractCegarLoop]: Abstraction has 275 states and 289 transitions. [2018-02-04 17:11:20,032 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 17:11:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 289 transitions. [2018-02-04 17:11:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:20,032 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:20,032 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:20,032 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:20,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1107566857, now seen corresponding path program 8 times [2018-02-04 17:11:20,033 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:20,042 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:20,426 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:20,426 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:11:20,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:20,427 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 17:11:20,427 INFO L182 omatonBuilderFactory]: Interpolants [35200#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 35201#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 35202#(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)))), 35203#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 35204#(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 (= 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 |#valid| main_~x~0.base) 1)), 35205#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 35206#(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))))), 35207#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 35208#(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))))), 35209#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 35210#(= 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)))), 35211#(= 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)))), 35212#(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 4))))), 35213#(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~mem14|))), 35214#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 35215#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 35216#(= 1 (select |#valid| |main_#t~mem15.base|)), 35217#(= 1 (select |#valid| main_~x~0.base)), 35190#true, 35191#false, 35192#(= 1 (select |#valid| main_~head~0.base)), 35193#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35194#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 35195#(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) (= (select |#valid| main_~x~0.base) 1)), 35196#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 35197#(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))), 35198#(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))), 35199#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))] [2018-02-04 17:11:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:20,427 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 17:11:20,427 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 17:11:20,427 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=675, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:11:20,427 INFO L87 Difference]: Start difference. First operand 275 states and 289 transitions. Second operand 28 states. [2018-02-04 17:11:22,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:22,143 INFO L93 Difference]: Finished difference Result 348 states and 364 transitions. [2018-02-04 17:11:22,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 17:11:22,143 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 75 [2018-02-04 17:11:22,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:22,144 INFO L225 Difference]: With dead ends: 348 [2018-02-04 17:11:22,144 INFO L226 Difference]: Without dead ends: 348 [2018-02-04 17:11:22,144 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 971 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=596, Invalid=3694, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 17:11:22,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-02-04 17:11:22,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 283. [2018-02-04 17:11:22,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-02-04 17:11:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 298 transitions. [2018-02-04 17:11:22,146 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 298 transitions. Word has length 75 [2018-02-04 17:11:22,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:22,146 INFO L432 AbstractCegarLoop]: Abstraction has 283 states and 298 transitions. [2018-02-04 17:11:22,146 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 17:11:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 298 transitions. [2018-02-04 17:11:22,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-02-04 17:11:22,147 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:22,147 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:22,147 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:22,147 INFO L82 PathProgramCache]: Analyzing trace with hash -1107566856, now seen corresponding path program 7 times [2018-02-04 17:11:22,147 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:22,158 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:22,832 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:22,832 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 17:11:22,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:22,832 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 17:11:22,832 INFO L182 omatonBuilderFactory]: Interpolants [35925#true, 35926#false, 35927#(= 1 (select |#valid| main_~head~0.base)), 35928#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 35929#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 35930#(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) (= (select |#valid| main_~x~0.base) 1)), 35931#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 35932#(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))), 35933#(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))), 35934#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 35935#(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)) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 35936#(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_$Pointer$.base| (select (select |#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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|))), 35937#(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 |#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)))), 35938#(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)) (= 8 (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)))), 35939#(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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 35940#(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))) (= (select |#length| main_~x~0.base) 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_~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 |#valid| main_~x~0.base) 1)), 35941#(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 |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 35942#(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 |#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))))), 35943#(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)) (<= 8 (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))))), 35944#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 35945#(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))) (<= 8 (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)))), 35946#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 35947#(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 |#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))))), 35948#(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))) (<= 8 (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))))), 35949#(and (or (= 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))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (<= 8 (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)))))), 35950#(and (or (not (= 0 |main_#t~mem14|)) (<= 8 (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))))) (or (= 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))) (not (= 0 |main_#t~mem14|)))), 35951#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 35952#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 35953#(and (<= 8 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 35954#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 17:11:22,832 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:22,832 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 17:11:22,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 17:11:22,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=776, Unknown=0, NotChecked=0, Total=870 [2018-02-04 17:11:22,833 INFO L87 Difference]: Start difference. First operand 283 states and 298 transitions. Second operand 30 states. [2018-02-04 17:11:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:24,977 INFO L93 Difference]: Finished difference Result 378 states and 395 transitions. [2018-02-04 17:11:24,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 17:11:24,977 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 75 [2018-02-04 17:11:24,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:24,978 INFO L225 Difference]: With dead ends: 378 [2018-02-04 17:11:24,978 INFO L226 Difference]: Without dead ends: 378 [2018-02-04 17:11:24,978 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 929 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=490, Invalid=3670, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:11:24,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2018-02-04 17:11:24,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 266. [2018-02-04 17:11:24,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2018-02-04 17:11:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 279 transitions. [2018-02-04 17:11:24,980 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 279 transitions. Word has length 75 [2018-02-04 17:11:24,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:24,980 INFO L432 AbstractCegarLoop]: Abstraction has 266 states and 279 transitions. [2018-02-04 17:11:24,980 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 17:11:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 279 transitions. [2018-02-04 17:11:24,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-02-04 17:11:24,980 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:24,980 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] [2018-02-04 17:11:24,980 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:24,980 INFO L82 PathProgramCache]: Analyzing trace with hash 668845921, now seen corresponding path program 4 times [2018-02-04 17:11:24,981 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:24,987 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:25,156 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 17:11:25,156 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:25,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:11:25,156 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:25,157 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 17:11:25,157 INFO L182 omatonBuilderFactory]: Interpolants [36672#(= main_~head~0.offset 0), 36673#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 36674#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= main_~head~0.offset 0) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 36675#(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))), 36676#(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 4)) |main_#t~mem13|)) (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))), 36677#(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 4)))) (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))), 36678#(and (or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (= main_~head~0.offset 0)), 36679#(or (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))), 36680#(or (= 1 (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 4))) (not (= |main_#t~mem20.offset| 0))), 36681#(or (not (= main_~x~0.offset 0)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))), 36682#(or (not (= main_~x~0.offset 0)) (and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= |main_#t~mem19| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 36683#(or (<= (+ main_~x~0.offset 1) 0) (not (= main_~head~0.offset 0))), 36684#(not (= main_~head~0.offset 0)), 36669#true, 36670#false, 36671#(= 0 |main_#t~malloc0.offset|)] [2018-02-04 17:11:25,157 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 17:11:25,157 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 17:11:25,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 17:11:25,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 17:11:25,157 INFO L87 Difference]: Start difference. First operand 266 states and 279 transitions. Second operand 16 states. [2018-02-04 17:11:25,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:25,463 INFO L93 Difference]: Finished difference Result 330 states and 340 transitions. [2018-02-04 17:11:25,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 17:11:25,463 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 76 [2018-02-04 17:11:25,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:25,463 INFO L225 Difference]: With dead ends: 330 [2018-02-04 17:11:25,464 INFO L226 Difference]: Without dead ends: 286 [2018-02-04 17:11:25,464 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 17:11:25,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-02-04 17:11:25,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 257. [2018-02-04 17:11:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-02-04 17:11:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 270 transitions. [2018-02-04 17:11:25,465 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 270 transitions. Word has length 76 [2018-02-04 17:11:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:25,466 INFO L432 AbstractCegarLoop]: Abstraction has 257 states and 270 transitions. [2018-02-04 17:11:25,466 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 17:11:25,466 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 270 transitions. [2018-02-04 17:11:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 17:11:25,466 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:25,466 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] [2018-02-04 17:11:25,466 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:25,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1563179298, now seen corresponding path program 3 times [2018-02-04 17:11:25,467 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:25,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:11:25,639 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:25,639 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 17:11:25,639 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:25,639 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 17:11:25,639 INFO L182 omatonBuilderFactory]: Interpolants [37312#(and (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 37313#(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))), 37314#(and (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37315#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)), 37316#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base)), 37317#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 37318#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base))), 37319#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 37320#(= 0 |main_#t~mem20.offset|), 37321#(= 0 main_~x~0.offset), 37322#(= main_~head~0.offset 0), 37302#true, 37303#false, 37304#(= 1 (select |#valid| main_~head~0.base)), 37305#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 37306#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 37307#(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) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37308#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 37309#(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))), 37310#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 37311#(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)))] [2018-02-04 17:11:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:11:25,640 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 17:11:25,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 17:11:25,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2018-02-04 17:11:25,640 INFO L87 Difference]: Start difference. First operand 257 states and 270 transitions. Second operand 21 states. [2018-02-04 17:11:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:26,137 INFO L93 Difference]: Finished difference Result 268 states and 279 transitions. [2018-02-04 17:11:26,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 17:11:26,137 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2018-02-04 17:11:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:26,138 INFO L225 Difference]: With dead ends: 268 [2018-02-04 17:11:26,138 INFO L226 Difference]: Without dead ends: 265 [2018-02-04 17:11:26,138 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=1156, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 17:11:26,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-02-04 17:11:26,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 259. [2018-02-04 17:11:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-02-04 17:11:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 274 transitions. [2018-02-04 17:11:26,139 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 274 transitions. Word has length 79 [2018-02-04 17:11:26,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:26,140 INFO L432 AbstractCegarLoop]: Abstraction has 259 states and 274 transitions. [2018-02-04 17:11:26,140 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 17:11:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 274 transitions. [2018-02-04 17:11:26,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 17:11:26,140 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:26,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:26,140 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:26,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1217473758, now seen corresponding path program 2 times [2018-02-04 17:11:26,140 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:26,147 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:26,462 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 17:11:26,462 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:26,462 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 17:11:26,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:26,462 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 17:11:26,462 INFO L182 omatonBuilderFactory]: Interpolants [37888#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 37889#(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) (= (select |#valid| main_~x~0.base) 1)), 37890#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 37891#(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))), 37892#(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))), 37893#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 37894#(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| 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))) (= (select |#valid| main_~x~0.base) 1)), 37895#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 37896#(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))), 37897#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 37898#(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)))), 37899#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 37900#(= 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))), 37901#(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)), 37902#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 37903#(or (not (= 0 |main_#t~mem14|)) (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))), 37904#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 37905#(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)))), 37906#(= 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))), 37907#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 37908#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 37909#(= 0 |main_#t~mem22.offset|), 37884#true, 37885#false, 37886#(= 1 (select |#valid| main_~head~0.base)), 37887#(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 17:11:26,463 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 17:11:26,463 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 17:11:26,463 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 17:11:26,463 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2018-02-04 17:11:26,463 INFO L87 Difference]: Start difference. First operand 259 states and 274 transitions. Second operand 26 states. [2018-02-04 17:11:27,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:27,400 INFO L93 Difference]: Finished difference Result 350 states and 367 transitions. [2018-02-04 17:11:27,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:27,400 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 82 [2018-02-04 17:11:27,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:27,401 INFO L225 Difference]: With dead ends: 350 [2018-02-04 17:11:27,401 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 17:11:27,401 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=1807, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 17:11:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 17:11:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 333. [2018-02-04 17:11:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 17:11:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 360 transitions. [2018-02-04 17:11:27,403 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 360 transitions. Word has length 82 [2018-02-04 17:11:27,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:27,403 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 360 transitions. [2018-02-04 17:11:27,403 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 17:11:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 360 transitions. [2018-02-04 17:11:27,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 17:11:27,404 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:27,404 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:27,404 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:27,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1217473759, now seen corresponding path program 2 times [2018-02-04 17:11:27,404 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:27,411 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:27,884 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 17:11:27,885 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:27,885 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:27,885 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:27,885 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 17:11:27,885 INFO L182 omatonBuilderFactory]: Interpolants [38656#(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)))), 38657#(and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem17.base|) (not (= 0 main_~head~0.base))), 38658#(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)))), 38659#(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))))), 38660#(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))))), 38661#(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))), 38662#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 38663#(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))), 38664#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 38665#(= (select |#valid| |main_#t~mem22.base|) 1), 38633#true, 38634#false, 38635#(not (= 0 |main_#t~malloc0.base|)), 38636#(not (= 0 main_~head~0.base)), 38637#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 38638#(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)), 38639#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 38640#(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) (= (select |#valid| main_~x~0.base) 1)), 38641#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 38642#(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))), 38643#(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))), 38644#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 38645#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 38646#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 38647#(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))))), 38648#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 38649#(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))))), 38650#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 38651#(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))))), 38652#(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)), 38653#(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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 38654#(or (not (= 0 |main_#t~mem14|)) (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))), 38655#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 17:11:27,885 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 17:11:27,885 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 17:11:27,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 17:11:27,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=943, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:11:27,886 INFO L87 Difference]: Start difference. First operand 333 states and 360 transitions. Second operand 33 states. [2018-02-04 17:11:29,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:29,237 INFO L93 Difference]: Finished difference Result 360 states and 373 transitions. [2018-02-04 17:11:29,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 17:11:29,237 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 82 [2018-02-04 17:11:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:29,238 INFO L225 Difference]: With dead ends: 360 [2018-02-04 17:11:29,238 INFO L226 Difference]: Without dead ends: 360 [2018-02-04 17:11:29,238 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 853 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=540, Invalid=3620, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:11:29,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-02-04 17:11:29,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 339. [2018-02-04 17:11:29,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-02-04 17:11:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 366 transitions. [2018-02-04 17:11:29,240 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 366 transitions. Word has length 82 [2018-02-04 17:11:29,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:29,240 INFO L432 AbstractCegarLoop]: Abstraction has 339 states and 366 transitions. [2018-02-04 17:11:29,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 17:11:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 366 transitions. [2018-02-04 17:11:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 17:11:29,241 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:29,241 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, 1, 1, 1, 1, 1, 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 17:11:29,241 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:29,241 INFO L82 PathProgramCache]: Analyzing trace with hash 139786573, now seen corresponding path program 6 times [2018-02-04 17:11:29,241 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:29,248 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:29,842 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 17:11:29,843 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:29,843 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 17:11:29,843 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:29,843 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 17:11:29,843 INFO L182 omatonBuilderFactory]: Interpolants [39429#true, 39430#false, 39431#(= 0 |main_#t~malloc0.offset|), 39432#(= main_~head~0.offset 0), 39433#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 39434#(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)), 39435#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 39436#(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) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 39437#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 39438#(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)), 39439#(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)), 39440#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 39441#(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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 39442#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= |main_#t~mem6.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)))), 39443#(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)), 39444#(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))) (= main_~head~0.offset 0)), 39445#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 39446#(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))) (= 8 (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))))) (= 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 39447#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.offset| 0) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (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))))) (= |main_#t~mem11.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))))), 39448#(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 4)) 2) (= main_~head~0.offset 0) (= 8 (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)))))), 39449#(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 4)) 2) (= 8 (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)))))), 39450#(or (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 4)) 2) (= 8 (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)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 39451#(or (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 4)) 2) (= 8 (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)))))) (not (= 0 |main_#t~mem14|))), 39452#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (+ 0 4)) 2)), 39453#(and (= (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 4)) 2) (= 8 (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))))), 39454#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 39455#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2)), 39456#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 8 (select |#length| |main_#t~mem15.base|))), 39457#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 8))), 39458#(or (<= (+ main_~x~0.offset 1) 0) (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2))), 39459#(<= (+ main_~x~0.offset 1) 0)] [2018-02-04 17:11:29,843 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 17:11:29,843 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 17:11:29,844 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 17:11:29,844 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2018-02-04 17:11:29,844 INFO L87 Difference]: Start difference. First operand 339 states and 366 transitions. Second operand 31 states. [2018-02-04 17:11:31,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:31,507 INFO L93 Difference]: Finished difference Result 355 states and 371 transitions. [2018-02-04 17:11:31,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 17:11:31,507 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-02-04 17:11:31,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:31,508 INFO L225 Difference]: With dead ends: 355 [2018-02-04 17:11:31,508 INFO L226 Difference]: Without dead ends: 350 [2018-02-04 17:11:31,508 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 748 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=446, Invalid=3214, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 17:11:31,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2018-02-04 17:11:31,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 334. [2018-02-04 17:11:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-02-04 17:11:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 360 transitions. [2018-02-04 17:11:31,510 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 360 transitions. Word has length 82 [2018-02-04 17:11:31,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:31,510 INFO L432 AbstractCegarLoop]: Abstraction has 334 states and 360 transitions. [2018-02-04 17:11:31,510 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 17:11:31,510 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 360 transitions. [2018-02-04 17:11:31,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 17:11:31,510 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:31,510 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:31,510 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:31,511 INFO L82 PathProgramCache]: Analyzing trace with hash 2017056016, now seen corresponding path program 9 times [2018-02-04 17:11:31,511 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:31,519 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:32,109 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 11 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:32,110 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:32,110 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:32,110 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:32,110 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 17:11:32,110 INFO L182 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 40211#(= 0 |main_#t~malloc0.offset|), 40212#(= main_~head~0.offset 0), 40213#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 40214#(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)), 40215#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 40216#(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) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 40217#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 40218#(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)), 40219#(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)), 40220#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 40221#(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))) (= 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) (= (select |#valid| main_~x~0.base) 1)), 40222#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= |main_#t~mem6.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)))), 40223#(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)), 40224#(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))) (= main_~head~0.offset 0)), 40225#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 40226#(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))) (= 8 (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))))) (= 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 40227#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.offset| 0) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 8 (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))))) (= |main_#t~mem11.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))))), 40228#(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 4)) 2) (= main_~head~0.offset 0) (= 8 (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)))))), 40229#(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 4)) 2) (= 8 (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)))))), 40230#(or (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 4)) 2) (= 8 (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)))))) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 40231#(or (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 4)) 2) (= 8 (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)))))) (not (= 0 |main_#t~mem14|))), 40232#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (+ 0 4)) 2)), 40233#(and (= (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 4)) 2) (= 8 (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))))), 40234#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (+ 0 4)) 2) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 40235#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)) 2)), 40236#(and (= (select (select |#memory_int| |main_#t~mem15.base|) (+ 0 4)) 2) (= 8 (select |#length| |main_#t~mem15.base|))), 40237#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2) (and (<= 1 main_~x~0.offset) (= (select |#length| main_~x~0.base) 8))), 40238#(or (<= (+ main_~x~0.offset 1) 0) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 2)), 40239#(or (<= (+ main_~x~0.offset 1) 0) (= |main_#t~mem14| 2)), 40240#(<= (+ main_~x~0.offset 1) 0)] [2018-02-04 17:11:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 11 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:32,110 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 17:11:32,110 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 17:11:32,110 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=896, Unknown=0, NotChecked=0, Total=992 [2018-02-04 17:11:32,111 INFO L87 Difference]: Start difference. First operand 334 states and 360 transitions. Second operand 32 states. [2018-02-04 17:11:33,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:33,679 INFO L93 Difference]: Finished difference Result 324 states and 338 transitions. [2018-02-04 17:11:33,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 17:11:33,679 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 82 [2018-02-04 17:11:33,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:33,680 INFO L225 Difference]: With dead ends: 324 [2018-02-04 17:11:33,680 INFO L226 Difference]: Without dead ends: 310 [2018-02-04 17:11:33,680 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=466, Invalid=3440, Unknown=0, NotChecked=0, Total=3906 [2018-02-04 17:11:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-02-04 17:11:33,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 303. [2018-02-04 17:11:33,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-02-04 17:11:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 319 transitions. [2018-02-04 17:11:33,682 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 319 transitions. Word has length 82 [2018-02-04 17:11:33,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:33,682 INFO L432 AbstractCegarLoop]: Abstraction has 303 states and 319 transitions. [2018-02-04 17:11:33,682 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 17:11:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 319 transitions. [2018-02-04 17:11:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 17:11:33,683 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:33,683 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:33,683 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:33,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1761182976, now seen corresponding path program 2 times [2018-02-04 17:11:33,683 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:33,690 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:34,039 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 17:11:34,039 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:34,039 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 17:11:34,039 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:34,039 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 17:11:34,039 INFO L182 omatonBuilderFactory]: Interpolants [40930#true, 40931#false, 40932#(= 1 (select |#valid| main_~head~0.base)), 40933#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 40934#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 40935#(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) (= (select |#valid| main_~x~0.base) 1)), 40936#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 40937#(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))), 40938#(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))), 40939#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 40940#(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)))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 40941#(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)))) (= 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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 40942#(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)))) (= 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))), 40943#(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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 40944#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 40945#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 40946#(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)))), 40947#(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))))), 40948#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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)))))), 40949#(or (not (= 0 |main_#t~mem14|)) (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)))))), 40950#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 40951#(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)))), 40952#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 40953#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 40954#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 40955#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 40956#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:34,039 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 17:11:34,040 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:34,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:34,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:34,040 INFO L87 Difference]: Start difference. First operand 303 states and 319 transitions. Second operand 27 states. [2018-02-04 17:11:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:34,899 INFO L93 Difference]: Finished difference Result 311 states and 325 transitions. [2018-02-04 17:11:34,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 17:11:34,899 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 84 [2018-02-04 17:11:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:34,900 INFO L225 Difference]: With dead ends: 311 [2018-02-04 17:11:34,900 INFO L226 Difference]: Without dead ends: 311 [2018-02-04 17:11:34,900 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=354, Invalid=2096, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 17:11:34,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-02-04 17:11:34,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 305. [2018-02-04 17:11:34,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-02-04 17:11:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 321 transitions. [2018-02-04 17:11:34,902 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 321 transitions. Word has length 84 [2018-02-04 17:11:34,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:34,902 INFO L432 AbstractCegarLoop]: Abstraction has 305 states and 321 transitions. [2018-02-04 17:11:34,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 321 transitions. [2018-02-04 17:11:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 17:11:34,902 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:34,902 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:34,903 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:34,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1669210897, now seen corresponding path program 7 times [2018-02-04 17:11:34,903 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:34,913 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:35,490 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:35,490 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 17:11:35,490 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:35,491 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 17:11:35,491 INFO L182 omatonBuilderFactory]: Interpolants [41619#true, 41620#false, 41621#(= 1 (select |#valid| main_~head~0.base)), 41622#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 41623#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 41624#(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) (= (select |#valid| main_~x~0.base) 1)), 41625#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 41626#(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))), 41627#(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))), 41628#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 41629#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 41630#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 41631#(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)))), 41632#(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)))), 41633#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 41634#(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))) (= 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 |#valid| main_~x~0.base) 1)), 41635#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 41636#(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)) (= 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))))), 41637#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 41638#(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)))) (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))) (= (select |#valid| main_~x~0.base) 1)), 41639#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 41640#(= 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))))), 41641#(= 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))))), 41642#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 41643#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 41644#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 41645#(= 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)))), 41646#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 41647#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 41648#(= 1 (select |#valid| |main_#t~mem17.base|)), 41649#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:35,491 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 17:11:35,491 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 17:11:35,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-02-04 17:11:35,491 INFO L87 Difference]: Start difference. First operand 305 states and 321 transitions. Second operand 31 states. [2018-02-04 17:11:37,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:37,225 INFO L93 Difference]: Finished difference Result 363 states and 380 transitions. [2018-02-04 17:11:37,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 17:11:37,225 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 84 [2018-02-04 17:11:37,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:37,226 INFO L225 Difference]: With dead ends: 363 [2018-02-04 17:11:37,226 INFO L226 Difference]: Without dead ends: 363 [2018-02-04 17:11:37,226 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=421, Invalid=3239, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 17:11:37,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-02-04 17:11:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 308. [2018-02-04 17:11:37,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 17:11:37,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 325 transitions. [2018-02-04 17:11:37,228 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 325 transitions. Word has length 84 [2018-02-04 17:11:37,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:37,228 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 325 transitions. [2018-02-04 17:11:37,228 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 17:11:37,228 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 325 transitions. [2018-02-04 17:11:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 17:11:37,228 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:37,229 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:11:37,229 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:37,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1669210898, now seen corresponding path program 5 times [2018-02-04 17:11:37,229 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:37,241 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:38,027 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:38,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 17:11:38,027 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:38,027 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 17:11:38,027 INFO L182 omatonBuilderFactory]: Interpolants [42381#true, 42382#false, 42383#(= 1 (select |#valid| main_~head~0.base)), 42384#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 42385#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 42386#(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) (= (select |#valid| main_~x~0.base) 1)), 42387#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 42388#(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))), 42389#(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))), 42390#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 42391#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 42392#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 42393#(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)))), 42394#(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)))), 42395#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 42396#(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))) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1) (= 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))))), 42397#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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)))) (= 8 (select |#length| |main_#t~mem6.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_#t~mem6.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))))), 42398#(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)))) (= 8 (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)) (= 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))))), 42399#(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_~x~0.base)) (= 8 (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)) (= 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))))), 42400#(and (= (select |#length| main_~x~0.base) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 42401#(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))) (= (select |#length| main_~x~0.base) 8) (= 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))) (not (= main_~head~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))))), 42402#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))) (<= 8 (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)))))), 42403#(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 |#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)))))), 42404#(and (<= 8 (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))))), 42405#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= 8 (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)))))), 42406#(or (not (= 0 |main_#t~mem14|)) (and (<= 8 (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)))))), 42407#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 42408#(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))) (<= 8 (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))))), 42409#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 42410#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 42411#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 42412#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 17:11:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:38,027 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 17:11:38,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 17:11:38,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-02-04 17:11:38,028 INFO L87 Difference]: Start difference. First operand 308 states and 325 transitions. Second operand 32 states. [2018-02-04 17:11:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:39,935 INFO L93 Difference]: Finished difference Result 385 states and 402 transitions. [2018-02-04 17:11:39,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 17:11:39,935 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2018-02-04 17:11:39,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:39,936 INFO L225 Difference]: With dead ends: 385 [2018-02-04 17:11:39,936 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 17:11:39,936 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=293, Invalid=2787, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 17:11:39,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 17:11:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 308. [2018-02-04 17:11:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2018-02-04 17:11:39,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 324 transitions. [2018-02-04 17:11:39,938 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 324 transitions. Word has length 84 [2018-02-04 17:11:39,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:39,938 INFO L432 AbstractCegarLoop]: Abstraction has 308 states and 324 transitions. [2018-02-04 17:11:39,939 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 17:11:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 324 transitions. [2018-02-04 17:11:39,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 17:11:39,939 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:39,939 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:39,939 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:39,939 INFO L82 PathProgramCache]: Analyzing trace with hash -748486956, now seen corresponding path program 10 times [2018-02-04 17:11:39,940 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:39,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:40,493 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:40,493 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 17:11:40,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:40,493 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 17:11:40,493 INFO L182 omatonBuilderFactory]: Interpolants [43154#true, 43155#false, 43156#(= 1 (select |#valid| main_~head~0.base)), 43157#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43158#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 43159#(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) (= (select |#valid| main_~x~0.base) 1)), 43160#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 43161#(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))), 43162#(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))), 43163#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43164#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 43165#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 43166#(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)))), 43167#(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)))), 43168#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43169#(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))) (= 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 |#valid| main_~x~0.base) 1)), 43170#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 43171#(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)) (= 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))))), 43172#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 43173#(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)))) (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))) (= (select |#valid| main_~x~0.base) 1)), 43174#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 43175#(= 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))))), 43176#(= 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))))), 43177#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 43178#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 43179#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 43180#(= 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)))), 43181#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 43182#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 43183#(= 1 (select |#valid| |main_#t~mem15.base|)), 43184#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:40,494 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 17:11:40,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 17:11:40,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=843, Unknown=0, NotChecked=0, Total=930 [2018-02-04 17:11:40,494 INFO L87 Difference]: Start difference. First operand 308 states and 324 transitions. Second operand 31 states. [2018-02-04 17:11:42,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:42,199 INFO L93 Difference]: Finished difference Result 365 states and 382 transitions. [2018-02-04 17:11:42,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 17:11:42,199 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 84 [2018-02-04 17:11:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:42,200 INFO L225 Difference]: With dead ends: 365 [2018-02-04 17:11:42,200 INFO L226 Difference]: Without dead ends: 365 [2018-02-04 17:11:42,200 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=385, Invalid=2921, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 17:11:42,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-02-04 17:11:42,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 316. [2018-02-04 17:11:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 17:11:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 333 transitions. [2018-02-04 17:11:42,202 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 333 transitions. Word has length 84 [2018-02-04 17:11:42,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:42,202 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 333 transitions. [2018-02-04 17:11:42,202 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 17:11:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 333 transitions. [2018-02-04 17:11:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 17:11:42,202 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:42,202 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:42,202 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:42,202 INFO L82 PathProgramCache]: Analyzing trace with hash -748486955, now seen corresponding path program 8 times [2018-02-04 17:11:42,203 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:42,217 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:42,965 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:42,965 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:42,966 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 17:11:42,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:42,966 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 17:11:42,966 INFO L182 omatonBuilderFactory]: Interpolants [43920#true, 43921#false, 43922#(= 1 (select |#valid| main_~head~0.base)), 43923#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 43924#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 43925#(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) (= (select |#valid| main_~x~0.base) 1)), 43926#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 43927#(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))), 43928#(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))), 43929#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 43930#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 43931#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 43932#(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)))), 43933#(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)))), 43934#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 43935#(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))) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1) (= 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))))), 43936#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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)))) (= 8 (select |#length| |main_#t~mem6.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_#t~mem6.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))))), 43937#(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)))) (= 8 (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)) (= 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))))), 43938#(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_~x~0.base)) (= 8 (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)) (= 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))))), 43939#(and (= (select |#length| main_~x~0.base) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 43940#(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))) (= (select |#length| main_~x~0.base) 8) (= 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))) (not (= main_~head~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))))), 43941#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))) (<= 8 (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)))))), 43942#(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 |#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)))))), 43943#(and (<= 8 (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))))), 43944#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= 8 (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)))))), 43945#(or (not (= 0 |main_#t~mem14|)) (and (<= 8 (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)))))), 43946#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 43947#(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))) (<= 8 (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))))), 43948#(and (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 43949#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43950#(and (<= 8 (select |#length| |main_#t~mem15.base|)) (= 0 |main_#t~mem15.offset|)), 43951#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 17:11:42,966 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:42,966 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 17:11:42,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 17:11:42,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=902, Unknown=0, NotChecked=0, Total=992 [2018-02-04 17:11:42,967 INFO L87 Difference]: Start difference. First operand 316 states and 333 transitions. Second operand 32 states. [2018-02-04 17:11:44,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:44,994 INFO L93 Difference]: Finished difference Result 397 states and 415 transitions. [2018-02-04 17:11:44,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 17:11:44,994 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 84 [2018-02-04 17:11:44,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:44,995 INFO L225 Difference]: With dead ends: 397 [2018-02-04 17:11:44,995 INFO L226 Difference]: Without dead ends: 397 [2018-02-04 17:11:44,995 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=293, Invalid=2787, Unknown=0, NotChecked=0, Total=3080 [2018-02-04 17:11:44,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-02-04 17:11:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 322. [2018-02-04 17:11:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 322 states. [2018-02-04 17:11:44,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 339 transitions. [2018-02-04 17:11:44,997 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 339 transitions. Word has length 84 [2018-02-04 17:11:44,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:44,997 INFO L432 AbstractCegarLoop]: Abstraction has 322 states and 339 transitions. [2018-02-04 17:11:44,997 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 17:11:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 339 transitions. [2018-02-04 17:11:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 17:11:44,998 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:44,998 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:11:44,998 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash 279730528, now seen corresponding path program 2 times [2018-02-04 17:11:44,998 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:45,010 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:45,712 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 17:11:45,712 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:45,712 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:11:45,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:45,712 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 17:11:45,713 INFO L182 omatonBuilderFactory]: Interpolants [44736#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44737#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 44738#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44739#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44740#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0))), 44741#(or (not (= 0 |main_#t~mem14|)) (and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0))), 44742#(and (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 44743#(and (= 0 |main_#t~mem15.offset|) (not (= 1 (select (select |#memory_int| |main_#t~mem15.base|) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 44744#(and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 44745#(and (= main_~x~0.offset 0) (= main_~head~0.offset 0) (not (= 1 |main_#t~mem13|))), 44719#true, 44720#false, 44721#(= 0 |main_#t~malloc0.offset|), 44722#(= main_~head~0.offset 0), 44723#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 44724#(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)), 44725#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|)), 44726#(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) (= (select |#valid| main_~x~0.base) 1)), 44727#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= main_~head~0.offset 0) (= 0 (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~mem6.base|)), 44728#(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 (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44729#(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)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44730#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0)), 44731#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (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 (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 44732#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 44733#(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)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 44734#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 44735#(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))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))))] [2018-02-04 17:11:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 17:11:45,713 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 17:11:45,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 17:11:45,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2018-02-04 17:11:45,713 INFO L87 Difference]: Start difference. First operand 322 states and 339 transitions. Second operand 27 states. [2018-02-04 17:11:46,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:46,804 INFO L93 Difference]: Finished difference Result 300 states and 314 transitions. [2018-02-04 17:11:46,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 17:11:46,804 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 86 [2018-02-04 17:11:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:46,805 INFO L225 Difference]: With dead ends: 300 [2018-02-04 17:11:46,805 INFO L226 Difference]: Without dead ends: 300 [2018-02-04 17:11:46,805 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=437, Invalid=2319, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 17:11:46,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-02-04 17:11:46,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 296. [2018-02-04 17:11:46,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 17:11:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 312 transitions. [2018-02-04 17:11:46,807 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 312 transitions. Word has length 86 [2018-02-04 17:11:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:46,807 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 312 transitions. [2018-02-04 17:11:46,807 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 17:11:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 312 transitions. [2018-02-04 17:11:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 17:11:46,807 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:46,807 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 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] [2018-02-04 17:11:46,807 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:46,807 INFO L82 PathProgramCache]: Analyzing trace with hash 236595853, now seen corresponding path program 8 times [2018-02-04 17:11:46,808 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:46,821 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:47,542 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:47,542 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:47,542 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:47,543 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 17:11:47,543 INFO L182 omatonBuilderFactory]: Interpolants [45394#true, 45395#false, 45396#(= 1 (select |#valid| main_~head~0.base)), 45397#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 45398#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 45399#(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) (= (select |#valid| main_~x~0.base) 1)), 45400#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 45401#(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))), 45402#(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))), 45403#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 45404#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 45405#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 45406#(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)))), 45407#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 45408#(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 (= 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 |#valid| main_~x~0.base) 1)), 45409#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 45410#(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))))), 45411#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 45412#(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)))), 45413#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 45414#(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))), 45415#(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))))), 45416#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 45417#(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))))), 45418#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 45419#(= 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)))), 45420#(= 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)))), 45421#(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 4))))), 45422#(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~mem14|))), 45423#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 45424#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 45425#(= 1 (select |#valid| |main_#t~mem17.base|)), 45426#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:47,543 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:47,543 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 17:11:47,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 17:11:47,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:11:47,543 INFO L87 Difference]: Start difference. First operand 296 states and 312 transitions. Second operand 33 states. [2018-02-04 17:11:49,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:49,251 INFO L93 Difference]: Finished difference Result 303 states and 317 transitions. [2018-02-04 17:11:49,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-02-04 17:11:49,252 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 17:11:49,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:49,252 INFO L225 Difference]: With dead ends: 303 [2018-02-04 17:11:49,252 INFO L226 Difference]: Without dead ends: 303 [2018-02-04 17:11:49,253 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 860 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=569, Invalid=3591, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:11:49,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-02-04 17:11:49,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 296. [2018-02-04 17:11:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 17:11:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 311 transitions. [2018-02-04 17:11:49,254 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 311 transitions. Word has length 86 [2018-02-04 17:11:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:49,255 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 311 transitions. [2018-02-04 17:11:49,255 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 17:11:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 311 transitions. [2018-02-04 17:11:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 17:11:49,255 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:49,255 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 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] [2018-02-04 17:11:49,255 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:49,255 INFO L82 PathProgramCache]: Analyzing trace with hash 236595854, now seen corresponding path program 6 times [2018-02-04 17:11:49,256 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:49,269 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:50,224 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:50,224 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:11:50,224 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:50,224 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 17:11:50,225 INFO L182 omatonBuilderFactory]: Interpolants [46090#true, 46091#false, 46092#(= 1 (select |#valid| main_~head~0.base)), 46093#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 46094#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base) (= 8 (select |#length| |main_#t~malloc4.base|))), 46095#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 8 (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))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 46096#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 46097#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| 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))), 46098#(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)) (= 8 (select |#length| 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))), 46099#(and (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 46100#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (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))) (= 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)) (= (select |#valid| main_~x~0.base) 1)), 46101#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 8 (select |#length| |main_#t~mem6.base|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46102#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (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)) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46103#(and (= 1 (select |#valid| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 8 (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)) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46104#(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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= (select |#length| main_~x~0.base) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| 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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8)), 46105#(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))) (= (select |#length| main_~x~0.base) 8) (= 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_~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)) (= (select |#valid| main_~x~0.base) 1) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46106#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46107#(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))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| 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)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46108#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (<= 8 (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~malloc4.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~malloc4.base|)) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8)), 46109#(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)) (= 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))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46110#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46111#(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))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~x~0.base main_~head~0.base)) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46112#(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~malloc9.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~malloc9.base|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 8) (<= 8 (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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 46113#(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)) (<= 8 (select |#length| (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| main_~x~0.base) main_~x~0.offset))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46114#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46115#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 46116#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 46117#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 46118#(or (not (= 0 |main_#t~mem14|)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))), 46119#(and (<= (select |#length| |main_#t~mem15.base|) 8) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)))), 46120#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0))) (or (<= main_~x~0.offset 0) (<= (select |#length| main_~x~0.base) 8))), 46121#(and (<= main_~x~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.offset 0)))), 46122#(and (= 0 |main_#t~mem17.offset|) (<= 8 (select |#length| |main_#t~mem17.base|))), 46123#(and (= main_~x~0.offset 0) (<= 8 (select |#length| main_~x~0.base)))] [2018-02-04 17:11:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:50,225 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:11:50,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:11:50,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1002, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:11:50,225 INFO L87 Difference]: Start difference. First operand 296 states and 311 transitions. Second operand 34 states. [2018-02-04 17:11:52,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:52,517 INFO L93 Difference]: Finished difference Result 308 states and 318 transitions. [2018-02-04 17:11:52,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 17:11:52,519 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 86 [2018-02-04 17:11:52,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:52,520 INFO L225 Difference]: With dead ends: 308 [2018-02-04 17:11:52,520 INFO L226 Difference]: Without dead ends: 308 [2018-02-04 17:11:52,520 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 935 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=514, Invalid=3518, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 17:11:52,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-02-04 17:11:52,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 288. [2018-02-04 17:11:52,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2018-02-04 17:11:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 302 transitions. [2018-02-04 17:11:52,522 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 302 transitions. Word has length 86 [2018-02-04 17:11:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:52,522 INFO L432 AbstractCegarLoop]: Abstraction has 288 states and 302 transitions. [2018-02-04 17:11:52,522 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:11:52,522 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 302 transitions. [2018-02-04 17:11:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 17:11:52,522 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:52,523 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 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] [2018-02-04 17:11:52,523 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:52,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2113865296, now seen corresponding path program 11 times [2018-02-04 17:11:52,523 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:52,537 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:53,165 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:53,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:53,165 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:53,165 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 17:11:53,166 INFO L182 omatonBuilderFactory]: Interpolants [46784#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 46785#(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) (= (select |#valid| main_~x~0.base) 1)), 46786#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 46787#(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))), 46788#(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))), 46789#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 46790#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 46791#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 46792#(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)))), 46793#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 46794#(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 (= 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 |#valid| main_~x~0.base) 1)), 46795#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 46796#(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))))), 46797#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 46798#(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)))), 46799#(and (or (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 46800#(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))), 46801#(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))))), 46802#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 46803#(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))))), 46804#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 46805#(= 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)))), 46806#(= 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)))), 46807#(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 4))))), 46808#(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~mem14|))), 46809#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 46810#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 46811#(= 1 (select |#valid| |main_#t~mem15.base|)), 46812#(= 1 (select |#valid| main_~x~0.base)), 46780#true, 46781#false, 46782#(= 1 (select |#valid| main_~head~0.base)), 46783#(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 17:11:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 6 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:53,166 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 17:11:53,166 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 17:11:53,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=950, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:11:53,166 INFO L87 Difference]: Start difference. First operand 288 states and 302 transitions. Second operand 33 states. [2018-02-04 17:11:54,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:54,992 INFO L93 Difference]: Finished difference Result 297 states and 311 transitions. [2018-02-04 17:11:54,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 17:11:54,992 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 17:11:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:54,993 INFO L225 Difference]: With dead ends: 297 [2018-02-04 17:11:54,993 INFO L226 Difference]: Without dead ends: 297 [2018-02-04 17:11:54,993 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=561, Invalid=3471, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 17:11:54,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-02-04 17:11:54,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 296. [2018-02-04 17:11:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-02-04 17:11:54,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 311 transitions. [2018-02-04 17:11:54,995 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 311 transitions. Word has length 86 [2018-02-04 17:11:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:54,995 INFO L432 AbstractCegarLoop]: Abstraction has 296 states and 311 transitions. [2018-02-04 17:11:54,995 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 17:11:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 311 transitions. [2018-02-04 17:11:54,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-02-04 17:11:54,995 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:54,995 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 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] [2018-02-04 17:11:54,995 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:54,996 INFO L82 PathProgramCache]: Analyzing trace with hash 2113865297, now seen corresponding path program 9 times [2018-02-04 17:11:54,996 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:55,014 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:55,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:55,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:55,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:55,880 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 17:11:55,880 INFO L182 omatonBuilderFactory]: Interpolants [47488#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47489#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (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_~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))), 47490#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))) (= 8 (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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)))), 47491#(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))) (= 8 (select |#length| (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| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47492#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47493#(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 |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47494#(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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47495#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 47496#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 47497#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 47498#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 47499#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 47500#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 47468#true, 47469#false, 47470#(= 1 (select |#valid| main_~head~0.base)), 47471#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 47472#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 47473#(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) (= 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)), 47474#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 47475#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47476#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47477#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 47478#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (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))) (= 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (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)) (= (select |#valid| main_~x~0.base) 1)), 47479#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 8 (select |#length| |main_#t~mem6.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47480#(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 |#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)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47481#(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)) (= 8 (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)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47482#(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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (= (select |#length| main_~x~0.base) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 47483#(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))) (= (select |#length| main_~x~0.base) 8) (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)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 47484#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47485#(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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 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))) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (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_~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)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47486#(and (= 8 (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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) main_~x~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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 47487#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 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))) (= 8 (select |#length| (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| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 17:11:55,880 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:55,880 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 17:11:55,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 17:11:55,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=947, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:11:55,880 INFO L87 Difference]: Start difference. First operand 296 states and 311 transitions. Second operand 33 states. [2018-02-04 17:11:58,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:11:58,198 INFO L93 Difference]: Finished difference Result 425 states and 444 transitions. [2018-02-04 17:11:58,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 17:11:58,199 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 86 [2018-02-04 17:11:58,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:11:58,200 INFO L225 Difference]: With dead ends: 425 [2018-02-04 17:11:58,200 INFO L226 Difference]: Without dead ends: 425 [2018-02-04 17:11:58,200 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 947 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=480, Invalid=3942, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 17:11:58,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-02-04 17:11:58,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 328. [2018-02-04 17:11:58,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-02-04 17:11:58,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 345 transitions. [2018-02-04 17:11:58,203 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 345 transitions. Word has length 86 [2018-02-04 17:11:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:11:58,203 INFO L432 AbstractCegarLoop]: Abstraction has 328 states and 345 transitions. [2018-02-04 17:11:58,203 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 17:11:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 345 transitions. [2018-02-04 17:11:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 17:11:58,204 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:11:58,204 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:11:58,204 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:11:58,204 INFO L82 PathProgramCache]: Analyzing trace with hash 260171097, now seen corresponding path program 5 times [2018-02-04 17:11:58,205 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:11:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:11:58,212 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:11:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:58,817 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:11:58,817 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 17:11:58,817 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:11:58,817 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 17:11:58,817 INFO L182 omatonBuilderFactory]: Interpolants [48322#true, 48323#false, 48324#(not (= 0 |main_#t~malloc0.base|)), 48325#(not (= 0 main_~head~0.base)), 48326#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 48327#(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)), 48328#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 48329#(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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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)) (= (select |#valid| main_~x~0.base) 1)), 48330#(and (not (= (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~mem6.base|)) (not (= 0 main_~head~0.base)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 48331#(and (= 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) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 0) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48332#(and (= 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) 0)) (= 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 (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 48333#(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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 48334#(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) 0)) (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.offset 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))) (= (select |#valid| main_~x~0.base) 1)), 48335#(and (not (= (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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 48336#(and (not (= (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 (= 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))), 48337#(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~malloc9.base|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) main_~x~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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 48338#(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)) (not (= main_~head~0.base main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 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)) (= (select |#valid| main_~x~0.base) 1)), 48339#(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_#t~mem11.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) 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 (= |main_#t~mem11.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)))), 48340#(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 (= (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)))), 48341#(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 (= (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_~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)), 48342#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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 (= (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_~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))), 48343#(or (not (= 0 |main_#t~mem14|)) (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 (= (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_~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))), 48344#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 48345#(and (= 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))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 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))), 48346#(and (not (= 0 main_~x~0.base)) (not (= (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 (= (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)))), 48347#(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) 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))), 48348#(and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))), 48349#(and (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_~x~0.base 0)) (not (= 0 main_~head~0.base))), 48350#(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 (= main_~x~0.base 0))), 48351#(and (not (= main_~head~0.base 0)) (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))))), 48352#(and (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|))) (not (= main_~head~0.base 0))), 48353#(and (not (= main_~head~0.base 0)) (or (not (= 0 main_~head~0.offset)) (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)))), 48354#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:11:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:11:58,818 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 17:11:58,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 17:11:58,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=938, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 17:11:58,818 INFO L87 Difference]: Start difference. First operand 328 states and 345 transitions. Second operand 33 states. [2018-02-04 17:12:00,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:00,547 INFO L93 Difference]: Finished difference Result 355 states and 369 transitions. [2018-02-04 17:12:00,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 17:12:00,547 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 90 [2018-02-04 17:12:00,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:00,548 INFO L225 Difference]: With dead ends: 355 [2018-02-04 17:12:00,548 INFO L226 Difference]: Without dead ends: 355 [2018-02-04 17:12:00,548 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=715, Invalid=4115, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 17:12:00,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-02-04 17:12:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 333. [2018-02-04 17:12:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 17:12:00,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 351 transitions. [2018-02-04 17:12:00,550 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 351 transitions. Word has length 90 [2018-02-04 17:12:00,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:00,550 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 351 transitions. [2018-02-04 17:12:00,550 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 17:12:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 351 transitions. [2018-02-04 17:12:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 17:12:00,550 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:00,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:00,551 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:00,551 INFO L82 PathProgramCache]: Analyzing trace with hash 260171098, now seen corresponding path program 4 times [2018-02-04 17:12:00,551 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:00,556 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:00,680 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:00,680 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:00,680 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 17:12:00,680 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:00,681 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 17:12:00,681 INFO L182 omatonBuilderFactory]: Interpolants [49120#(and (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 49121#(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))), 49122#(and (= |main_#t~mem15.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~mem15.base|)), 49123#(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)))), 49124#(and (<= (+ main_~x~0.offset 8) (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)))), 49125#(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)) 8) (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)))) (<= 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)))), 49126#(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_$Pointer$.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) (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))))), 49127#(and (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 49128#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (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))), 49129#(and (<= 0 |main_#t~mem20.offset|) (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|))), 49130#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 49117#true, 49118#false, 49119#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 17:12:00,681 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:00,681 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 17:12:00,681 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 17:12:00,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2018-02-04 17:12:00,681 INFO L87 Difference]: Start difference. First operand 333 states and 351 transitions. Second operand 14 states. [2018-02-04 17:12:01,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:01,107 INFO L93 Difference]: Finished difference Result 405 states and 422 transitions. [2018-02-04 17:12:01,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 17:12:01,107 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 90 [2018-02-04 17:12:01,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:01,108 INFO L225 Difference]: With dead ends: 405 [2018-02-04 17:12:01,108 INFO L226 Difference]: Without dead ends: 405 [2018-02-04 17:12:01,108 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 17:12:01,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-02-04 17:12:01,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 342. [2018-02-04 17:12:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 17:12:01,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 361 transitions. [2018-02-04 17:12:01,110 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 361 transitions. Word has length 90 [2018-02-04 17:12:01,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:01,110 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 361 transitions. [2018-02-04 17:12:01,110 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 17:12:01,110 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 361 transitions. [2018-02-04 17:12:01,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-02-04 17:12:01,110 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:01,111 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:01,111 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:01,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1946342230, now seen corresponding path program 3 times [2018-02-04 17:12:01,111 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:01,118 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:01,755 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 17:12:01,755 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:01,755 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:01,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:01,755 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 17:12:01,755 INFO L182 omatonBuilderFactory]: Interpolants [49920#(and (not (= main_~head~0.base |main_#t~mem15.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem15.base|) (not (= 0 main_~head~0.base))), 49921#(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)))), 49922#(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)))), 49923#(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))))), 49924#(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))))), 49925#(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))), 49926#(and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))), 49927#(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))), 49928#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 49929#(= (select |#valid| |main_#t~mem22.base|) 1), 49896#true, 49897#false, 49898#(not (= 0 |main_#t~malloc0.base|)), 49899#(not (= 0 main_~head~0.base)), 49900#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 49901#(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)), 49902#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 49903#(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) (= (select |#valid| main_~x~0.base) 1)), 49904#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 49905#(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))), 49906#(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))), 49907#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 49908#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 49909#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 49910#(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))))), 49911#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 49912#(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))))), 49913#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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))))), 49914#(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))))), 49915#(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)), 49916#(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 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 49917#(or (not (= 0 |main_#t~mem14|)) (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))), 49918#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (not (= 0 main_~head~0.base))), 49919#(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))))] [2018-02-04 17:12:01,756 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 17:12:01,756 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:01,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:01,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=1003, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:01,756 INFO L87 Difference]: Start difference. First operand 342 states and 361 transitions. Second operand 34 states. [2018-02-04 17:12:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:03,242 INFO L93 Difference]: Finished difference Result 351 states and 364 transitions. [2018-02-04 17:12:03,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 17:12:03,242 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 91 [2018-02-04 17:12:03,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:03,243 INFO L225 Difference]: With dead ends: 351 [2018-02-04 17:12:03,243 INFO L226 Difference]: Without dead ends: 351 [2018-02-04 17:12:03,243 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=551, Invalid=3871, Unknown=0, NotChecked=0, Total=4422 [2018-02-04 17:12:03,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2018-02-04 17:12:03,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 342. [2018-02-04 17:12:03,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 17:12:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 360 transitions. [2018-02-04 17:12:03,245 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 360 transitions. Word has length 91 [2018-02-04 17:12:03,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:03,245 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 360 transitions. [2018-02-04 17:12:03,245 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 360 transitions. [2018-02-04 17:12:03,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:03,246 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:03,246 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:12:03,246 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:03,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2051850085, now seen corresponding path program 3 times [2018-02-04 17:12:03,246 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:03,256 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:03,646 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:03,646 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:03,647 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 17:12:03,647 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:03,647 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 17:12:03,647 INFO L182 omatonBuilderFactory]: Interpolants [50689#true, 50690#false, 50691#(= 1 (select |#valid| main_~head~0.base)), 50692#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 50693#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 50694#(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) (= (select |#valid| main_~x~0.base) 1)), 50695#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 50696#(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))), 50697#(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))), 50698#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 50699#(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| 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))) (= (select |#valid| main_~x~0.base) 1)), 50700#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 50701#(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))), 50702#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 50703#(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)))), 50704#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 50705#(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)))), 50706#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 50707#(= 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))), 50708#(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)), 50709#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 50710#(or (not (= 0 |main_#t~mem14|)) (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))), 50711#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 50712#(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)))), 50713#(= 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))), 50714#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)), 50715#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 50716#(= 0 |main_#t~mem22.offset|)] [2018-02-04 17:12:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:03,647 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 17:12:03,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 17:12:03,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=674, Unknown=0, NotChecked=0, Total=756 [2018-02-04 17:12:03,648 INFO L87 Difference]: Start difference. First operand 342 states and 360 transitions. Second operand 28 states. [2018-02-04 17:12:04,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:04,749 INFO L93 Difference]: Finished difference Result 353 states and 367 transitions. [2018-02-04 17:12:04,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:12:04,749 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 93 [2018-02-04 17:12:04,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:04,750 INFO L225 Difference]: With dead ends: 353 [2018-02-04 17:12:04,750 INFO L226 Difference]: Without dead ends: 353 [2018-02-04 17:12:04,750 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=325, Invalid=2225, Unknown=0, NotChecked=0, Total=2550 [2018-02-04 17:12:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-02-04 17:12:04,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 342. [2018-02-04 17:12:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2018-02-04 17:12:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 359 transitions. [2018-02-04 17:12:04,752 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 359 transitions. Word has length 93 [2018-02-04 17:12:04,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:04,752 INFO L432 AbstractCegarLoop]: Abstraction has 342 states and 359 transitions. [2018-02-04 17:12:04,752 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 17:12:04,752 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 359 transitions. [2018-02-04 17:12:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:04,752 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:04,752 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:12:04,752 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:04,752 INFO L82 PathProgramCache]: Analyzing trace with hash 2051850086, now seen corresponding path program 4 times [2018-02-04 17:12:04,753 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:04,762 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:05,659 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:05,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-02-04 17:12:05,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:05,659 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 17:12:05,659 INFO L182 omatonBuilderFactory]: Interpolants [51458#true, 51459#false, 51460#(not (= 0 |main_#t~malloc0.base|)), 51461#(not (= 0 main_~head~0.base)), 51462#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51463#(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)), 51464#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 51465#(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) (= (select |#valid| main_~x~0.base) 1)), 51466#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 51467#(and (or (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.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))), 51468#(and (= 1 (select |#valid| main_~x~0.base)) (or (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.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))), 51469#(and (or (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (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~malloc4.offset|)) 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 51470#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 51471#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 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~mem6.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)))))) (not (= 0 main_~head~0.base))), 51472#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (= 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_~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| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 51473#(and (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|))))), 51474#(and (= 1 (select |#valid| main_~head~0.base)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (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_~head~0.base) main_~head~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)))))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51475#(and (or (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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))) (= 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc9.base|)) (not (= 0 main_~head~0.base))), 51476#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (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| (select (select |#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| main_~x~0.base) main_~x~0.offset)))), 51477#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= |main_#t~mem11.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_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))))) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 51478#(and (or (= 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_~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))), 51479#(and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (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) (= main_~x~0.base main_~head~0.base)))), 51480#(and (or (and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (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) (= main_~x~0.base main_~head~0.base))) (not (= 0 main_~head~0.base))), 51481#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (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) (= main_~x~0.base main_~head~0.base))))), 51482#(or (not (= 0 |main_#t~mem14|)) (and (not (= 0 main_~head~0.base)) (or (and (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (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) (= main_~x~0.base main_~head~0.base))))), 51483#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (not (= 0 main_~head~0.base))), 51484#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= 0 main_~head~0.base))), 51485#(and (not (= 0 main_~head~0.base)) (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem17.base|)))), 51486#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (not (= main_~head~0.base main_~x~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 (= 0 main_~head~0.base))), 51487#(and (or (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (and (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)))))) (not (= 0 main_~head~0.base))), 51488#(and (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_~x~0.offset)))) (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))))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base))), 51489#(and (not (= 0 main_~head~0.base)) (or (= 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)))) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51490#(and (not (= 0 main_~head~0.base)) (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= main_~head~0.base |main_#t~mem20.base|))), 51491#(and (or (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~head~0.base))), 51492#(or (not (= 1 (select |#valid| main_~x~0.base))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51493#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 51494#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 17:12:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:05,660 INFO L409 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-02-04 17:12:05,660 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-02-04 17:12:05,660 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1194, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 17:12:05,660 INFO L87 Difference]: Start difference. First operand 342 states and 359 transitions. Second operand 37 states. [2018-02-04 17:12:07,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:07,864 INFO L93 Difference]: Finished difference Result 359 states and 373 transitions. [2018-02-04 17:12:07,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 17:12:07,864 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 93 [2018-02-04 17:12:07,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:07,865 INFO L225 Difference]: With dead ends: 359 [2018-02-04 17:12:07,865 INFO L226 Difference]: Without dead ends: 359 [2018-02-04 17:12:07,865 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1333 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=687, Invalid=4863, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 17:12:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-02-04 17:12:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 348. [2018-02-04 17:12:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2018-02-04 17:12:07,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 365 transitions. [2018-02-04 17:12:07,867 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 365 transitions. Word has length 93 [2018-02-04 17:12:07,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:07,867 INFO L432 AbstractCegarLoop]: Abstraction has 348 states and 365 transitions. [2018-02-04 17:12:07,867 INFO L433 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-02-04 17:12:07,867 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 365 transitions. [2018-02-04 17:12:07,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:07,868 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:07,868 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, 1, 1, 1, 1, 1, 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 17:12:07,868 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:07,868 INFO L82 PathProgramCache]: Analyzing trace with hash 974162900, now seen corresponding path program 9 times [2018-02-04 17:12:07,868 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:07,880 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:08,574 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:08,574 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:08,574 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:08,574 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 17:12:08,574 INFO L182 omatonBuilderFactory]: Interpolants [52288#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 52289#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 52290#(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)))), 52291#(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)))), 52292#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 52293#(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))) (= 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 |#valid| main_~x~0.base) 1)), 52294#(and (= |main_#t~mem6.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| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| 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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 52295#(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))))), 52296#(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_~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.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))))), 52297#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 52298#(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)))) (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))) (= 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))) (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)))), 52299#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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~mem11.base| main_~head~0.base)) (= 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))) (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))))))), 52300#(= 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))) (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)))))), 52301#(= 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))) (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)))))), 52302#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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))) (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))))))), 52303#(or (not (= 0 |main_#t~mem14|)) (= 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))) (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))))))), 52304#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 52305#(= 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))))), 52306#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 52307#(= 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)))), 52308#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 52309#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 52310#(= 1 (select |#valid| |main_#t~mem17.base|)), 52311#(= 1 (select |#valid| main_~x~0.base)), 52278#true, 52279#false, 52280#(= 1 (select |#valid| main_~head~0.base)), 52281#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 52282#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 52283#(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) (= (select |#valid| main_~x~0.base) 1)), 52284#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 52285#(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))), 52286#(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))), 52287#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)))] [2018-02-04 17:12:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:08,575 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:08,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:08,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:08,575 INFO L87 Difference]: Start difference. First operand 348 states and 365 transitions. Second operand 34 states. [2018-02-04 17:12:10,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:10,575 INFO L93 Difference]: Finished difference Result 423 states and 442 transitions. [2018-02-04 17:12:10,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 17:12:10,575 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 17:12:10,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:10,576 INFO L225 Difference]: With dead ends: 423 [2018-02-04 17:12:10,576 INFO L226 Difference]: Without dead ends: 423 [2018-02-04 17:12:10,577 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 889 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=482, Invalid=3808, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 17:12:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-02-04 17:12:10,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 365. [2018-02-04 17:12:10,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-02-04 17:12:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2018-02-04 17:12:10,579 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 93 [2018-02-04 17:12:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:10,579 INFO L432 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2018-02-04 17:12:10,579 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2018-02-04 17:12:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:10,579 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:10,579 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, 1, 1, 1, 1, 1, 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 17:12:10,580 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:10,580 INFO L82 PathProgramCache]: Analyzing trace with hash 974162901, now seen corresponding path program 7 times [2018-02-04 17:12:10,580 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:10,592 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:11,437 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:11,437 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:11,437 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:11,437 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 17:12:11,438 INFO L182 omatonBuilderFactory]: Interpolants [53184#(and (= 8 (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 (= (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))) (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)))), 53185#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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~mem11.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))))) (= 8 (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))))))), 53186#(and (= 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))))) (= 8 (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))))))), 53187#(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))))) (= 8 (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))))))), 53188#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))))) (= 8 (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)))))))), 53189#(or (not (= 0 |main_#t~mem14|)) (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))))) (= 8 (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)))))))), 53190#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 53191#(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)) (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 (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)))))), 53192#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 53193#(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))) (= 8 (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))))), 53194#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 53195#(and (= 8 (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))), 53196#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 53197#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 53164#true, 53165#false, 53166#(= 1 (select |#valid| main_~head~0.base)), 53167#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 53168#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 53169#(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) (= (select |#valid| main_~x~0.base) 1)), 53170#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 53171#(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))), 53172#(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))), 53173#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 53174#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 53175#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 53176#(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)))), 53177#(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)))), 53178#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 53179#(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))) (= 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 |#valid| main_~x~0.base) 1)), 53180#(and (= |main_#t~mem6.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| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| 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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 53181#(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))))), 53182#(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_~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.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))))), 53183#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~malloc9.base|)))] [2018-02-04 17:12:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:11,438 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:11,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:11,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1034, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:11,438 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand 34 states. [2018-02-04 17:12:13,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:13,647 INFO L93 Difference]: Finished difference Result 450 states and 469 transitions. [2018-02-04 17:12:13,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 17:12:13,648 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 17:12:13,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:13,649 INFO L225 Difference]: With dead ends: 450 [2018-02-04 17:12:13,649 INFO L226 Difference]: Without dead ends: 450 [2018-02-04 17:12:13,649 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=282, Invalid=3140, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 17:12:13,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2018-02-04 17:12:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 357. [2018-02-04 17:12:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 17:12:13,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 17:12:13,651 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 17:12:13,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:13,651 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 17:12:13,651 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:13,651 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 17:12:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:13,652 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:13,652 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:12:13,652 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:13,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1443534953, now seen corresponding path program 12 times [2018-02-04 17:12:13,652 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:13,665 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:14,367 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:14,367 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:14,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:14,367 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 17:12:14,368 INFO L182 omatonBuilderFactory]: Interpolants [54080#(or (not (= 0 |main_#t~mem14|)) (= 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))) (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))))))), 54081#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 54082#(= 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))))), 54083#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54084#(= 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)))), 54085#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 54086#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 54087#(= 1 (select |#valid| |main_#t~mem15.base|)), 54088#(= 1 (select |#valid| main_~x~0.base)), 54055#true, 54056#false, 54057#(= 1 (select |#valid| main_~head~0.base)), 54058#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54059#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 54060#(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) (= (select |#valid| main_~x~0.base) 1)), 54061#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 54062#(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))), 54063#(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))), 54064#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54065#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 54066#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 54067#(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)))), 54068#(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)))), 54069#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54070#(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))) (= 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 |#valid| main_~x~0.base) 1)), 54071#(and (= |main_#t~mem6.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| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| 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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 54072#(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))))), 54073#(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_~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.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))))), 54074#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))))), 54075#(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)))) (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))) (= 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))) (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)))), 54076#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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~mem11.base| main_~head~0.base)) (= 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))) (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))))))), 54077#(= 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))) (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)))))), 54078#(= 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))) (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)))))), 54079#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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))) (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)))))))] [2018-02-04 17:12:14,368 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:14,368 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:14,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:14,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:14,368 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 34 states. [2018-02-04 17:12:16,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:16,236 INFO L93 Difference]: Finished difference Result 423 states and 442 transitions. [2018-02-04 17:12:16,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-02-04 17:12:16,236 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 17:12:16,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:16,237 INFO L225 Difference]: With dead ends: 423 [2018-02-04 17:12:16,237 INFO L226 Difference]: Without dead ends: 423 [2018-02-04 17:12:16,238 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 710 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=408, Invalid=3252, Unknown=0, NotChecked=0, Total=3660 [2018-02-04 17:12:16,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2018-02-04 17:12:16,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 357. [2018-02-04 17:12:16,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 17:12:16,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 17:12:16,240 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 17:12:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:16,240 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 17:12:16,240 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 17:12:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-02-04 17:12:16,240 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:16,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:12:16,240 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1443534952, now seen corresponding path program 10 times [2018-02-04 17:12:16,241 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:16,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:17,076 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:17,076 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:17,076 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:17,076 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 17:12:17,076 INFO L182 omatonBuilderFactory]: Interpolants [54923#true, 54924#false, 54925#(= 1 (select |#valid| main_~head~0.base)), 54926#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 54927#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 54928#(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) (= (select |#valid| main_~x~0.base) 1)), 54929#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 54930#(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))), 54931#(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))), 54932#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54933#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 54934#(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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.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)))), 54935#(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)))), 54936#(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)))), 54937#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 54938#(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))) (= 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 |#valid| main_~x~0.base) 1)), 54939#(and (= |main_#t~mem6.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| main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| 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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 54940#(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))))), 54941#(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_~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.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))))), 54942#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) 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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 8 (select |#length| |main_#t~malloc9.base|))), 54943#(and (= 8 (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 (= (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))) (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)))), 54944#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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~mem11.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))))) (= 8 (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))))))), 54945#(and (= 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))))) (= 8 (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))))))), 54946#(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))))) (= 8 (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))))))), 54947#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))))) (= 8 (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)))))))), 54948#(or (not (= 0 |main_#t~mem14|)) (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))))) (= 8 (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)))))))), 54949#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|))))), 54950#(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)) (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 (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)))))), 54951#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54952#(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))) (= 8 (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))))), 54953#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 54954#(and (= 8 (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))), 54955#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 54956#(and (= 8 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0))] [2018-02-04 17:12:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:17,077 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:17,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:17,077 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1034, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:17,077 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 34 states. [2018-02-04 17:12:19,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:19,378 INFO L93 Difference]: Finished difference Result 460 states and 480 transitions. [2018-02-04 17:12:19,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 17:12:19,378 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 93 [2018-02-04 17:12:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:19,379 INFO L225 Difference]: With dead ends: 460 [2018-02-04 17:12:19,379 INFO L226 Difference]: Without dead ends: 460 [2018-02-04 17:12:19,379 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=282, Invalid=3140, Unknown=0, NotChecked=0, Total=3422 [2018-02-04 17:12:19,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-02-04 17:12:19,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 357. [2018-02-04 17:12:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-02-04 17:12:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 375 transitions. [2018-02-04 17:12:19,381 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 375 transitions. Word has length 93 [2018-02-04 17:12:19,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:19,381 INFO L432 AbstractCegarLoop]: Abstraction has 357 states and 375 transitions. [2018-02-04 17:12:19,381 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 375 transitions. [2018-02-04 17:12:19,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-02-04 17:12:19,382 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:19,382 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:19,382 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:19,382 INFO L82 PathProgramCache]: Analyzing trace with hash 120912667, now seen corresponding path program 4 times [2018-02-04 17:12:19,382 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:19,392 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:19,755 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:19,756 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 17:12:19,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:19,756 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 17:12:19,756 INFO L182 omatonBuilderFactory]: Interpolants [55824#true, 55825#false, 55826#(= 1 (select |#valid| main_~head~0.base)), 55827#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 55828#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 55829#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 55830#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 55831#(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))), 55832#(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))), 55833#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|)), 55834#(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| 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)) (= (select |#valid| main_~x~0.base) 1)), 55835#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 55836#(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))), 55837#(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~malloc9.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~malloc9.base|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 55838#(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)))), 55839#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 55840#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)), 55841#(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)), 55842#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))), 55843#(or (not (= 0 |main_#t~mem14|)) (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))), 55844#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 55845#(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))), 55846#(= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)), 55847#(= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)), 55848#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 55849#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 55850#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 55851#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 55852#(= 0 main_~x~0.offset), 55853#(= main_~head~0.offset 0)] [2018-02-04 17:12:19,756 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:19,756 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 17:12:19,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 17:12:19,757 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2018-02-04 17:12:19,757 INFO L87 Difference]: Start difference. First operand 357 states and 375 transitions. Second operand 30 states. [2018-02-04 17:12:20,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:20,703 INFO L93 Difference]: Finished difference Result 375 states and 393 transitions. [2018-02-04 17:12:20,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-02-04 17:12:20,703 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 94 [2018-02-04 17:12:20,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:20,704 INFO L225 Difference]: With dead ends: 375 [2018-02-04 17:12:20,704 INFO L226 Difference]: Without dead ends: 375 [2018-02-04 17:12:20,704 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=319, Invalid=2437, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 17:12:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-02-04 17:12:20,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2018-02-04 17:12:20,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-02-04 17:12:20,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 388 transitions. [2018-02-04 17:12:20,706 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 388 transitions. Word has length 94 [2018-02-04 17:12:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:20,706 INFO L432 AbstractCegarLoop]: Abstraction has 367 states and 388 transitions. [2018-02-04 17:12:20,706 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 17:12:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 388 transitions. [2018-02-04 17:12:20,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:20,706 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:20,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:20,707 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:20,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1154647125, now seen corresponding path program 3 times [2018-02-04 17:12:20,707 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:20,717 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:20,918 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:20,918 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:20,918 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 17:12:20,918 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:20,918 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 17:12:20,918 INFO L182 omatonBuilderFactory]: Interpolants [56642#true, 56643#false, 56644#(= 0 |main_#t~malloc0.offset|), 56645#(= main_~head~0.offset 0), 56646#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56647#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56648#(and (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56649#(and (not (= 1 |main_#t~mem14|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 56650#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= main_~head~0.offset 0) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 56651#(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 (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56652#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem14| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56653#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (not (= main_~head~0.offset main_~x~0.offset))) (or (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0)) (= main_~head~0.offset 0)), 56654#(and (or (<= 1 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))))) (= main_~head~0.offset 0)), 56655#(or (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 4)))) (<= 1 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56656#(or (not (= 1 (select (select |#memory_int| |main_#t~mem20.base|) (+ 0 4)))) (<= 1 |main_#t~mem20.offset|)), 56657#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0) (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))), 56658#(or (not (= 1 |main_#t~mem19|)) (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 56659#(or (<= 1 main_~x~0.offset) (<= (+ main_~x~0.offset 1) 0)), 56660#(<= 1 main_~x~0.offset)] [2018-02-04 17:12:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:20,919 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 17:12:20,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 17:12:20,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-02-04 17:12:20,919 INFO L87 Difference]: Start difference. First operand 367 states and 388 transitions. Second operand 19 states. [2018-02-04 17:12:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:21,337 INFO L93 Difference]: Finished difference Result 377 states and 395 transitions. [2018-02-04 17:12:21,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 17:12:21,337 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 95 [2018-02-04 17:12:21,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:21,338 INFO L225 Difference]: With dead ends: 377 [2018-02-04 17:12:21,338 INFO L226 Difference]: Without dead ends: 369 [2018-02-04 17:12:21,338 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=1228, Unknown=0, NotChecked=0, Total=1482 [2018-02-04 17:12:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-02-04 17:12:21,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 361. [2018-02-04 17:12:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 17:12:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2018-02-04 17:12:21,340 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 95 [2018-02-04 17:12:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:21,340 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2018-02-04 17:12:21,340 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 17:12:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2018-02-04 17:12:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:21,341 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:21,341 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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] [2018-02-04 17:12:21,341 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:21,341 INFO L82 PathProgramCache]: Analyzing trace with hash 437948871, now seen corresponding path program 3 times [2018-02-04 17:12:21,341 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:21,354 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:21,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:21,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 17:12:21,801 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:21,801 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 17:12:21,801 INFO L182 omatonBuilderFactory]: Interpolants [57439#true, 57440#false, 57441#(= 1 (select |#valid| main_~head~0.base)), 57442#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 57443#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 57444#(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) (= (select |#valid| main_~x~0.base) 1)), 57445#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 57446#(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))), 57447#(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))), 57448#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 57449#(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)))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 57450#(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)))) (= 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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 57451#(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)))) (= 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))), 57452#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 57453#(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)))) (= 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)))), 57454#(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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|))), 57455#(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_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 57456#(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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 57457#(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)))), 57458#(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))))), 57459#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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)))))), 57460#(or (not (= 0 |main_#t~mem14|)) (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)))))), 57461#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 57462#(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)))), 57463#(not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))), 57464#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 57465#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 57466#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 57467#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:12:21,801 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-02-04 17:12:21,801 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 17:12:21,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 17:12:21,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=719, Unknown=0, NotChecked=0, Total=812 [2018-02-04 17:12:21,802 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand 29 states. [2018-02-04 17:12:22,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:22,936 INFO L93 Difference]: Finished difference Result 367 states and 384 transitions. [2018-02-04 17:12:22,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-02-04 17:12:22,936 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 95 [2018-02-04 17:12:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:22,937 INFO L225 Difference]: With dead ends: 367 [2018-02-04 17:12:22,937 INFO L226 Difference]: Without dead ends: 365 [2018-02-04 17:12:22,937 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=400, Invalid=2462, Unknown=0, NotChecked=0, Total=2862 [2018-02-04 17:12:22,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2018-02-04 17:12:22,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2018-02-04 17:12:22,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 17:12:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 380 transitions. [2018-02-04 17:12:22,940 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 380 transitions. Word has length 95 [2018-02-04 17:12:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:22,940 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 380 transitions. [2018-02-04 17:12:22,940 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 17:12:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 380 transitions. [2018-02-04 17:12:22,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:22,941 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:22,941 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 17:12:22,941 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash 345976792, now seen corresponding path program 10 times [2018-02-04 17:12:22,941 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:22,957 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:23,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:23,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 17:12:23,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:23,783 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 17:12:23,783 INFO L182 omatonBuilderFactory]: Interpolants [58246#true, 58247#false, 58248#(= 1 (select |#valid| main_~head~0.base)), 58249#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 58250#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 58251#(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) (= (select |#valid| main_~x~0.base) 1)), 58252#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 58253#(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))), 58254#(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))), 58255#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 58256#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 58257#(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~mem6.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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 58258#(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)))), 58259#(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)))), 58260#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 58261#(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))) (= 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 |#valid| main_~x~0.base) 1)), 58262#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 58263#(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)) (= 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))))), 58264#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 58265#(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)))) (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))) (= 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))) (= (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))))), 58266#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))) (= 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))))), 58267#(and (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)) (= 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))))) (= 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))))), 58268#(and (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_~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| (select (select |#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))))), 58269#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))))), 58270#(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| (select (select |#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))) (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)))))), 58271#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 58272#(= 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))))), 58273#(= 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))))), 58274#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 58275#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 58276#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 58277#(= 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)))), 58278#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 58279#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 58280#(= 1 (select |#valid| |main_#t~mem17.base|)), 58281#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:12:23,783 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:23,783 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 17:12:23,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 17:12:23,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:12:23,784 INFO L87 Difference]: Start difference. First operand 361 states and 380 transitions. Second operand 36 states. [2018-02-04 17:12:26,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:26,577 INFO L93 Difference]: Finished difference Result 449 states and 470 transitions. [2018-02-04 17:12:26,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-02-04 17:12:26,577 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 17:12:26,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:26,578 INFO L225 Difference]: With dead ends: 449 [2018-02-04 17:12:26,578 INFO L226 Difference]: Without dead ends: 449 [2018-02-04 17:12:26,578 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1394 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=687, Invalid=5475, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 17:12:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-02-04 17:12:26,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 378. [2018-02-04 17:12:26,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-02-04 17:12:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 399 transitions. [2018-02-04 17:12:26,580 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 399 transitions. Word has length 95 [2018-02-04 17:12:26,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:26,580 INFO L432 AbstractCegarLoop]: Abstraction has 378 states and 399 transitions. [2018-02-04 17:12:26,580 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 17:12:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 399 transitions. [2018-02-04 17:12:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:26,581 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:26,581 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 17:12:26,581 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:26,581 INFO L82 PathProgramCache]: Analyzing trace with hash 345976793, now seen corresponding path program 8 times [2018-02-04 17:12:26,581 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:26,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:27,580 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:27,580 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 17:12:27,580 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:27,581 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 17:12:27,581 INFO L182 omatonBuilderFactory]: Interpolants [59200#(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) (= 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)), 59201#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 59202#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59203#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59204#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 59205#(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| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 59206#(and (= |main_#t~mem6.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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59207#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59208#(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)) 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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59209#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 59210#(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))) (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))) (= 8 (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))) (= 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_~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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 59211#(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))) (= (select (select |#memory_$Pointer$.base| (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)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59212#(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))) (= 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)) 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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59213#(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))) (= 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)) 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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59214#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|))), 59215#(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| (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))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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_~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)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (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)))), 59216#(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))) (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (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)) 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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59217#(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_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (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)) 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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59218#(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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) 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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 59219#(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| (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))) (= 8 (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)) 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))) (= 0 (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)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 59220#(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))) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59221#(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))) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 59222#(and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 59223#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59224#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 59225#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 59226#(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))) (= main_~x~0.offset 0) (= 8 (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))))), 59227#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 59228#(and (= 8 (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))), 59229#(and (= 8 (select |#length| |main_#t~mem17.base|)) (= 0 |main_#t~mem17.offset|)), 59230#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0)), 59195#true, 59196#false, 59197#(= 1 (select |#valid| main_~head~0.base)), 59198#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 59199#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|))] [2018-02-04 17:12:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:27,581 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 17:12:27,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 17:12:27,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:12:27,581 INFO L87 Difference]: Start difference. First operand 378 states and 399 transitions. Second operand 36 states. [2018-02-04 17:12:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:30,895 INFO L93 Difference]: Finished difference Result 475 states and 495 transitions. [2018-02-04 17:12:30,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 17:12:30,896 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 17:12:30,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:30,897 INFO L225 Difference]: With dead ends: 475 [2018-02-04 17:12:30,897 INFO L226 Difference]: Without dead ends: 475 [2018-02-04 17:12:30,897 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=474, Invalid=4638, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 17:12:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2018-02-04 17:12:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 370. [2018-02-04 17:12:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-02-04 17:12:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 390 transitions. [2018-02-04 17:12:30,899 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 390 transitions. Word has length 95 [2018-02-04 17:12:30,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:30,899 INFO L432 AbstractCegarLoop]: Abstraction has 370 states and 390 transitions. [2018-02-04 17:12:30,899 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 17:12:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 390 transitions. [2018-02-04 17:12:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:30,900 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:30,900 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 17:12:30,900 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:30,900 INFO L82 PathProgramCache]: Analyzing trace with hash -2071721061, now seen corresponding path program 13 times [2018-02-04 17:12:30,900 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:30,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:31,764 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:31,765 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:31,765 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 17:12:31,765 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:31,765 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 17:12:31,765 INFO L182 omatonBuilderFactory]: Interpolants [60160#(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)))), 60161#(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)))), 60162#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 60163#(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))) (= 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 |#valid| main_~x~0.base) 1)), 60164#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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_#t~mem6.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))))), 60165#(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)) (= 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))))), 60166#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)))) (= 1 (select |#valid| main_~head~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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc4.base|)) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))))), 60167#(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)))) (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))) (= 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))) (= (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))))), 60168#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem6.base|)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))) (= 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))))), 60169#(and (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)) (= 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))))) (= 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))))), 60170#(and (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_~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| (select (select |#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))))), 60171#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)) |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))))), 60172#(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| (select (select |#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))) (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)))))), 60173#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)))))), 60174#(= 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))))), 60175#(= 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))))), 60176#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (= 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)))))), 60177#(or (not (= 0 |main_#t~mem14|)) (= 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)))))), 60178#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 60179#(= 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)))), 60180#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|))), 60181#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 60182#(= 1 (select |#valid| |main_#t~mem15.base|)), 60183#(= 1 (select |#valid| main_~x~0.base)), 60148#true, 60149#false, 60150#(= 1 (select |#valid| main_~head~0.base)), 60151#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 60152#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 60153#(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) (= (select |#valid| main_~x~0.base) 1)), 60154#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 60155#(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))), 60156#(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))), 60157#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 60158#(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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 60159#(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~mem6.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~mem6.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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)))] [2018-02-04 17:12:31,765 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:31,766 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 17:12:31,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 17:12:31,766 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1151, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:12:31,766 INFO L87 Difference]: Start difference. First operand 370 states and 390 transitions. Second operand 36 states. [2018-02-04 17:12:34,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:34,768 INFO L93 Difference]: Finished difference Result 441 states and 462 transitions. [2018-02-04 17:12:34,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-02-04 17:12:34,768 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 17:12:34,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:34,769 INFO L225 Difference]: With dead ends: 441 [2018-02-04 17:12:34,769 INFO L226 Difference]: Without dead ends: 441 [2018-02-04 17:12:34,769 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1260 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=647, Invalid=5053, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 17:12:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-02-04 17:12:34,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 370. [2018-02-04 17:12:34,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-02-04 17:12:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 390 transitions. [2018-02-04 17:12:34,771 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 390 transitions. Word has length 95 [2018-02-04 17:12:34,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:34,772 INFO L432 AbstractCegarLoop]: Abstraction has 370 states and 390 transitions. [2018-02-04 17:12:34,772 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 17:12:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 390 transitions. [2018-02-04 17:12:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-02-04 17:12:34,772 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:34,772 INFO L351 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-02-04 17:12:34,772 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:34,772 INFO L82 PathProgramCache]: Analyzing trace with hash -2071721060, now seen corresponding path program 11 times [2018-02-04 17:12:34,773 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:34,791 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:35,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:35,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 17:12:35,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:35,820 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 17:12:35,821 INFO L182 omatonBuilderFactory]: Interpolants [61075#true, 61076#false, 61077#(= 1 (select |#valid| main_~head~0.base)), 61078#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61079#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 61080#(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) (= 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)), 61081#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 (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~mem6.base|)), 61082#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61083#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61084#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 61085#(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| 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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 61086#(and (= |main_#t~mem6.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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61087#(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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61088#(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)) 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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61089#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 61090#(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))) (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))) (= 8 (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))) (= 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_~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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 61091#(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))) (= (select (select |#memory_$Pointer$.base| (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)) |main_#t~mem6.base|) (= 1 (select |#valid| main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 8 (select |#length| |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61092#(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))) (= 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)) 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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61093#(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))) (= 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)) 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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 1 (select |#valid| main_~x~0.base)) (= 8 (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61094#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| 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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc4.base|))), 61095#(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| (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))) (= 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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_~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)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (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)))), 61096#(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))) (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (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)) 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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61097#(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_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 8 (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)) 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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61098#(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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 8 (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~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) 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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset))), 61099#(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| (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))) (= 8 (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)) 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))) (= 0 (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)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 61100#(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))) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61101#(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))) (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 61102#(and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 61103#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 61104#(or (not (= 0 |main_#t~mem14|)) (and (= 8 (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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 61105#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= 0 |main_#t~mem15.offset|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))), 61106#(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))) (= main_~x~0.offset 0) (= 8 (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))))), 61107#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 61108#(and (= 8 (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))), 61109#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 61110#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:12:35,821 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:35,821 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 17:12:35,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 17:12:35,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 17:12:35,821 INFO L87 Difference]: Start difference. First operand 370 states and 390 transitions. Second operand 36 states. [2018-02-04 17:12:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:39,310 INFO L93 Difference]: Finished difference Result 477 states and 498 transitions. [2018-02-04 17:12:39,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 17:12:39,310 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 95 [2018-02-04 17:12:39,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:39,311 INFO L225 Difference]: With dead ends: 477 [2018-02-04 17:12:39,311 INFO L226 Difference]: Without dead ends: 477 [2018-02-04 17:12:39,312 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=474, Invalid=4638, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 17:12:39,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-02-04 17:12:39,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 361. [2018-02-04 17:12:39,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-02-04 17:12:39,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 380 transitions. [2018-02-04 17:12:39,314 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 380 transitions. Word has length 95 [2018-02-04 17:12:39,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:39,314 INFO L432 AbstractCegarLoop]: Abstraction has 361 states and 380 transitions. [2018-02-04 17:12:39,314 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 17:12:39,314 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 380 transitions. [2018-02-04 17:12:39,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 17:12:39,314 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:39,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:39,314 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:39,315 INFO L82 PathProgramCache]: Analyzing trace with hash 232960573, now seen corresponding path program 6 times [2018-02-04 17:12:39,315 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:39,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:40,653 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 17:12:40,653 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:40,653 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-02-04 17:12:40,653 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:40,653 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 17:12:40,654 INFO L182 omatonBuilderFactory]: Interpolants [62021#true, 62022#false, 62023#(= 0 (select |#valid| 0)), 62024#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 62025#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 62026#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 62027#(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)), 62028#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 62029#(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) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 62030#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 62031#(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))), 62032#(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)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 62033#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= |main_#t~malloc4.base| 0)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 62034#(and (= (select (select |#memory_$Pointer$.offset| 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 (= 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))) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0))), 62035#(and (= |main_#t~mem6.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 62036#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 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 (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))), 62037#(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))) (= 0 (select |#valid| 0)) (= 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)) 0))), 62038#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 0 (select |#valid| 0)) (= main_~x~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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 62039#(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))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 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))), 62040#(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 (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| 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)) 0) 0)) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (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 (= (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)))), 62041#(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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0)) (= 0 (select |#valid| 0)) (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 (= (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)))), 62042#(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) (= 0 (select |#valid| 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)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62043#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (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) (= 0 (select |#valid| 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)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62044#(and (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) (= 0 (select |#valid| 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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)) (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))))) (not (= 0 main_~head~0.base))), 62045#(and (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) (= 0 (select |#valid| 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 (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)) (not (= 0 |main_#t~mem14|))) (not (= 0 main_~head~0.base))), 62046#(and (not (= 1 (select |#valid| 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)) 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 (= 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)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0)) (= main_~x~0.base main_~head~0.base)), 62047#(and (not (= 1 (select |#valid| 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 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| |main_#t~mem15.base|) 0)) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 62048#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 0))) (= 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 (= (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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 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))) (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| 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 (= 0 main_~head~0.base))), 62049#(and (or (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem15.base|) 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.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~mem15.base|) 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 62050#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 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) 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))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 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 main_~head~0.base))), 62051#(and (or (and (not (= 1 (select |#valid| 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)) (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)) 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_~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 main_~head~0.base))), 62052#(and (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 (= 1 (select |#valid| 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| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 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))) (not (= 0 main_~x~0.base))), 62053#(and (or (and (not (= 1 (select |#valid| 0))) (not (= (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_~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))) (not (= 0 main_~head~0.base))), 62054#(and (or (and (not (= 1 (select |#valid| 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|) |main_#t~mem20.offset|)) 0))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)))) (not (= |main_#t~mem20.offset| 0))) (not (= 0 main_~head~0.base))), 62055#(and (or (not (= main_~x~0.offset 0)) (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))) (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (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 (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))) (not (= 0 main_~head~0.base))), 62056#(or (not (= main_~x~0.offset 0)) (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))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))), 62057#(or (not (= main_~x~0.offset 0)) (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))) (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 (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0)))), 62058#(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 (= 0 main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0))) (not (= main_~head~0.offset 0))), 62059#(or (and (not (= |main_#t~mem20.base| 0)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0)))) (not (= main_~head~0.offset 0))), 62060#(or (and (not (= main_~x~0.base 0)) (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))) (not (= main_~head~0.offset 0))), 62061#(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 (= main_~x~0.base 0))), 62062#(and (not (= main_~head~0.base 0)) (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)))), 62063#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem20.base|)) (not (= main_~head~0.offset 0)))), 62064#(and (not (= main_~head~0.base 0)) (or (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= main_~head~0.offset 0)))), 62065#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 17:12:40,654 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 17:12:40,654 INFO L409 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-02-04 17:12:40,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-02-04 17:12:40,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1801, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 17:12:40,654 INFO L87 Difference]: Start difference. First operand 361 states and 380 transitions. Second operand 45 states. [2018-02-04 17:12:44,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:44,185 INFO L93 Difference]: Finished difference Result 377 states and 395 transitions. [2018-02-04 17:12:44,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-02-04 17:12:44,185 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 96 [2018-02-04 17:12:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:44,186 INFO L225 Difference]: With dead ends: 377 [2018-02-04 17:12:44,186 INFO L226 Difference]: Without dead ends: 377 [2018-02-04 17:12:44,186 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1920 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1011, Invalid=7179, Unknown=0, NotChecked=0, Total=8190 [2018-02-04 17:12:44,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-02-04 17:12:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 363. [2018-02-04 17:12:44,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-02-04 17:12:44,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2018-02-04 17:12:44,189 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 96 [2018-02-04 17:12:44,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:44,189 INFO L432 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2018-02-04 17:12:44,189 INFO L433 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-02-04 17:12:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2018-02-04 17:12:44,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-02-04 17:12:44,190 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:44,190 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:44,190 INFO L371 AbstractCegarLoop]: === Iteration 104 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:44,190 INFO L82 PathProgramCache]: Analyzing trace with hash 232960574, now seen corresponding path program 5 times [2018-02-04 17:12:44,190 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:44,197 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:44,395 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:44,395 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:44,395 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 17:12:44,395 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:44,395 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 17:12:44,395 INFO L182 omatonBuilderFactory]: Interpolants [62912#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 8) (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) 4))), 62913#(and (<= (+ |main_#t~mem20.offset| 8) (select |#length| |main_#t~mem20.base|)) (<= 0 (+ |main_#t~mem20.offset| 4))), 62914#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (<= 0 (+ main_~x~0.offset 4))), 62898#true, 62899#false, 62900#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 62901#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|)), 62902#(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))), 62903#(and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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~mem15.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)))), 62904#(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)))), 62905#(and (= |main_#t~mem17.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~mem17.base|)), 62906#(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))))), 62907#(and (<= (+ (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 |#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))))) (<= 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))) 4))), 62908#(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))) 8) (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))) 4))), 62909#(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|)) 4)) (<= (+ (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|)) 8) (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|))))), 62910#(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)) 4)) (<= (+ (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) (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))))), 62911#(and (<= 0 (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 4)) (<= (+ (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|) 8) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))] [2018-02-04 17:12:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-02-04 17:12:44,396 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 17:12:44,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 17:12:44,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-02-04 17:12:44,396 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand 17 states. [2018-02-04 17:12:45,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:45,142 INFO L93 Difference]: Finished difference Result 451 states and 471 transitions. [2018-02-04 17:12:45,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 17:12:45,142 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 96 [2018-02-04 17:12:45,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:45,143 INFO L225 Difference]: With dead ends: 451 [2018-02-04 17:12:45,143 INFO L226 Difference]: Without dead ends: 451 [2018-02-04 17:12:45,143 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:45,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-02-04 17:12:45,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 409. [2018-02-04 17:12:45,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 17:12:45,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 438 transitions. [2018-02-04 17:12:45,146 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 438 transitions. Word has length 96 [2018-02-04 17:12:45,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:45,146 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 438 transitions. [2018-02-04 17:12:45,146 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 17:12:45,146 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 438 transitions. [2018-02-04 17:12:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 17:12:45,146 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:45,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:45,146 INFO L371 AbstractCegarLoop]: === Iteration 105 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:45,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1505098821, now seen corresponding path program 4 times [2018-02-04 17:12:45,147 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:45,154 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:45,715 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:45,715 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:45,715 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:45,715 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 17:12:45,716 INFO L182 omatonBuilderFactory]: Interpolants [63809#true, 63810#false, 63811#(= 1 (select |#valid| main_~head~0.base)), 63812#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 63813#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 63814#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 63815#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 63816#(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))), 63817#(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))), 63818#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 63819#(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| 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))) (= (select |#valid| main_~x~0.base) 1)), 63820#(and (= |main_#t~mem6.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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 63821#(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))), 63822#(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)) 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))), 63823#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 63824#(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))), 63825#(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~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 63826#(= 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))), 63827#(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)), 63828#(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 4))))), 63829#(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~mem14|))), 63830#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 63831#(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))))), 63832#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 63833#(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))), 63834#(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))), 63835#(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)))), 63836#(or (= 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|) 0))) (not (= |main_#t~mem20.offset| 0))), 63837#(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)))), 63838#(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))), 63839#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) |main_#t~mem20.offset|)) (not (= main_~head~0.offset 0))), 63840#(or (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (not (= main_~head~0.offset 0))), 63841#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)), 63842#(= 0 |main_#t~mem22.offset|)] [2018-02-04 17:12:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:45,716 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:45,716 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:45,716 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=1025, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:45,716 INFO L87 Difference]: Start difference. First operand 409 states and 438 transitions. Second operand 34 states. [2018-02-04 17:12:47,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:47,049 INFO L93 Difference]: Finished difference Result 414 states and 439 transitions. [2018-02-04 17:12:47,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 17:12:47,049 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 97 [2018-02-04 17:12:47,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:47,050 INFO L225 Difference]: With dead ends: 414 [2018-02-04 17:12:47,050 INFO L226 Difference]: Without dead ends: 414 [2018-02-04 17:12:47,050 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=311, Invalid=2995, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 17:12:47,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-02-04 17:12:47,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2018-02-04 17:12:47,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 17:12:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 437 transitions. [2018-02-04 17:12:47,053 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 437 transitions. Word has length 97 [2018-02-04 17:12:47,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:47,053 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 437 transitions. [2018-02-04 17:12:47,053 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 437 transitions. [2018-02-04 17:12:47,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 17:12:47,053 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:47,053 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:47,053 INFO L371 AbstractCegarLoop]: === Iteration 106 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:47,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1505098822, now seen corresponding path program 5 times [2018-02-04 17:12:47,054 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:47,061 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:48,187 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:48,187 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-02-04 17:12:48,187 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:48,187 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 17:12:48,188 INFO L182 omatonBuilderFactory]: Interpolants [64714#true, 64715#false, 64716#(= 0 (select |#valid| 0)), 64717#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 64718#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base))), 64719#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0))), 64720#(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)), 64721#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc4.offset| 0) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 64722#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 64723#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 64724#(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))), 64725#(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)) (= 0 (select |#valid| 0)) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 64726#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 64727#(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| 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))) (= (select |#valid| main_~x~0.base) 1)), 64728#(and (= |main_#t~mem6.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))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 64729#(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))) (= 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))), 64730#(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)) 0)) (= 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))), 64731#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= 1 (select |#valid| |main_#t~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select |#valid| 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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base))), 64732#(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))) (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)) 0)) (= 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))), 64733#(and (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (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| (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))))), 64734#(and (= 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)) (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| (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)))) (= 0 (select |#valid| 0)) (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| (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))))), 64735#(and (= 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| (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)))) (= 0 (select |#valid| 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)) (select (select |#memory_$Pointer$.offset| (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 (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64736#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= 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| (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)))) (= 0 (select |#valid| 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)) (select (select |#memory_$Pointer$.offset| (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 (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64737#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= 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| (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)))) (= 0 (select |#valid| 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)) (select (select |#memory_$Pointer$.offset| (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 (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 64738#(or (not (= 0 |main_#t~mem14|)) (and (= 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| (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)))) (= 0 (select |#valid| 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)) (select (select |#memory_$Pointer$.offset| (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 (= 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 64739#(and (not (= 1 (select |#valid| 0))) (= 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| (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)))) (= 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)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 64740#(and (not (= 1 (select |#valid| 0))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 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_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 64741#(and (or (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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 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) 0)))) (= 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| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0))) (not (= 0 main_~head~0.base))), 64742#(and (or (and (not (= 1 (select |#valid| 0))) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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| |main_#t~mem15.base|) (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_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (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| |main_#t~mem15.base|) (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))) (not (= 0 main_~head~0.base))), 64743#(and (not (= 0 main_~head~0.base)) (or (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| (select (select |#memory_$Pointer$.base| 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| 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_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (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)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)))), 64744#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (not (= 1 (select |#valid| 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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| 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))) (select (select |#memory_$Pointer$.offset| (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)) (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 (= 0 main_~head~0.base))), 64745#(and (not (= 0 main_~x~0.base)) (or (and (not (= 1 (select |#valid| 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)) (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)))) (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))) (select (select |#memory_$Pointer$.offset| (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| (select (select |#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))))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0)))), 64746#(and (or (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| (select (select |#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)))) (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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (not (= 0 main_~head~0.base))), 64747#(and (not (= 0 main_~head~0.base)) (or (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_#t~mem20.base|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (not (= |main_#t~mem20.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|) 0))))) (not (= |main_#t~mem20.offset| 0)))), 64748#(and (or (not (= main_~x~0.offset 0)) (and (or (not (= 1 (select |#valid| 0))) (not (= 0 main_~x~0.base))) (= 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 (= 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 (= 0 main_~head~0.base))), 64749#(or (not (= main_~x~0.offset 0)) (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 (= 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)))) (or (not (= 1 (select |#valid| main_~x~0.base))) (not (= 0 main_~x~0.base))))), 64750#(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_~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)))) (= (select |#valid| main_~x~0.base) 1)) (not (= main_~x~0.offset 0))), 64751#(or (and (not (= 0 main_~x~0.base)) (= 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)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (not (= main_~head~0.offset 0))), 64752#(or (and (= 1 (select (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= 0 main_~head~0.base))) (not (= main_~head~0.offset 0))), 64753#(or (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))) (not (= main_~head~0.offset 0))), 64754#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 64755#(= (select |#valid| |main_#t~mem22.base|) 1)] [2018-02-04 17:12:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:48,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-02-04 17:12:48,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-02-04 17:12:48,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1558, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 17:12:48,188 INFO L87 Difference]: Start difference. First operand 409 states and 437 transitions. Second operand 42 states. [2018-02-04 17:12:50,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:50,690 INFO L93 Difference]: Finished difference Result 414 states and 438 transitions. [2018-02-04 17:12:50,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 17:12:50,690 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 97 [2018-02-04 17:12:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:50,691 INFO L225 Difference]: With dead ends: 414 [2018-02-04 17:12:50,691 INFO L226 Difference]: Without dead ends: 414 [2018-02-04 17:12:50,691 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1487 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=693, Invalid=5627, Unknown=0, NotChecked=0, Total=6320 [2018-02-04 17:12:50,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-02-04 17:12:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 409. [2018-02-04 17:12:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-02-04 17:12:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 436 transitions. [2018-02-04 17:12:50,693 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 436 transitions. Word has length 97 [2018-02-04 17:12:50,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:50,693 INFO L432 AbstractCegarLoop]: Abstraction has 409 states and 436 transitions. [2018-02-04 17:12:50,693 INFO L433 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-02-04 17:12:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 436 transitions. [2018-02-04 17:12:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 17:12:50,694 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:50,694 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 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 17:12:50,694 INFO L371 AbstractCegarLoop]: === Iteration 107 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:50,694 INFO L82 PathProgramCache]: Analyzing trace with hash -37924761, now seen corresponding path program 4 times [2018-02-04 17:12:50,694 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:50,707 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 17:12:51,600 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:51,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 17:12:51,600 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:51,600 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 17:12:51,600 INFO L182 omatonBuilderFactory]: Interpolants [65665#(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)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (or (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 65664#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 8 (select |#length| main_~x~0.base)) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 65667#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (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 (+ main_~head~0.offset 1)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 65666#(and (= (select |#length| main_~x~0.base) 8) (= 1 (select |#valid| 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= main_~head~0.offset 0) (or (and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (not (= main_~x~0.base |main_#t~malloc4.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1))) (< main_~x~0.offset main_~head~0.offset))), 65669#(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)) (= 0 (select (select (store |#memory_int| main_~x~0.base (store (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4) 0)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65668#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65671#(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 (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65670#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 1 (select |#valid| main_~head~0.base)) (not (= 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~malloc4.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) 8) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65673#(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))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65672#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 8) (not (= 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_int| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65675#(and (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4)))), 65674#(and (= 0 (select (select (store |#memory_int| |main_#t~mem11.base| (store (select |#memory_int| |main_#t~mem11.base|) (+ |main_#t~mem11.offset| 4) 2)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 4))) (not (= |main_#t~mem11.base| main_~head~0.base)) (= main_~head~0.offset 0) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 8)), 65677#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 65676#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0)), 65679#(or (not (= 0 |main_#t~mem14|)) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))), 65678#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4))) (= main_~head~0.offset 0))), 65681#(and (not (= 1 (select (select |#memory_int| |main_#t~mem15.base|) (+ main_~head~0.offset 4)))) (<= (select |#length| |main_#t~mem15.base|) 8) (= main_~head~0.offset 0)), 65680#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 8) (not (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 4)))) (= main_~head~0.offset 0)), 65683#(and (<= main_~x~0.offset 0) (or (not (= main_~head~0.offset main_~x~0.offset)) (not (= 1 |main_#t~mem13|))) (= main_~head~0.offset 0)), 65682#(and (or (not (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (not (= main_~head~0.offset main_~x~0.offset))) (or (<= main_~x~0.offset 0) (<= (select |#length| main_~x~0.base) 8)) (= main_~head~0.offset 0)), 65684#(and (<= main_~x~0.offset 0) (= main_~head~0.offset 0) (not (= main_~head~0.offset main_~x~0.offset))), 65655#true, 65657#(= 0 |main_#t~malloc0.offset|), 65656#false, 65659#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 65658#(= main_~head~0.offset 0), 65661#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 65660#(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)), 65663#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= 8 (select |#length| |main_#t~mem6.base|)) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 65662#(and (= 8 (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))) (= 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) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 17:12:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-02-04 17:12:51,600 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 17:12:51,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 17:12:51,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-02-04 17:12:51,601 INFO L87 Difference]: Start difference. First operand 409 states and 436 transitions. Second operand 30 states. [2018-02-04 17:12:53,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:53,148 INFO L93 Difference]: Finished difference Result 387 states and 412 transitions. [2018-02-04 17:12:53,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 17:12:53,148 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 97 [2018-02-04 17:12:53,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:53,149 INFO L225 Difference]: With dead ends: 387 [2018-02-04 17:12:53,149 INFO L226 Difference]: Without dead ends: 382 [2018-02-04 17:12:53,149 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 7 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 697 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=503, Invalid=2803, Unknown=0, NotChecked=0, Total=3306 [2018-02-04 17:12:53,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-02-04 17:12:53,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-02-04 17:12:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-02-04 17:12:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 405 transitions. [2018-02-04 17:12:53,151 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 405 transitions. Word has length 97 [2018-02-04 17:12:53,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:53,151 INFO L432 AbstractCegarLoop]: Abstraction has 381 states and 405 transitions. [2018-02-04 17:12:53,151 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 17:12:53,151 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 405 transitions. [2018-02-04 17:12:53,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-02-04 17:12:53,151 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:53,151 INFO L351 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2018-02-04 17:12:53,151 INFO L371 AbstractCegarLoop]: === Iteration 108 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:53,151 INFO L82 PathProgramCache]: Analyzing trace with hash 1796210008, now seen corresponding path program 12 times [2018-02-04 17:12:53,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:53,169 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:54,226 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 17:12:54,226 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:54,226 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 17:12:54,226 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:54,226 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 17:12:54,227 INFO L182 omatonBuilderFactory]: Interpolants [66509#true, 66511#(= 1 (select |#valid| main_~head~0.base)), 66510#false, 66513#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base)), 66512#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 66515#(and (= |main_#t~mem6.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~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 66514#(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) (= (select |#valid| main_~x~0.base) 1)), 66517#(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))), 66516#(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))), 66519#(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)) (= 8 (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))) (= 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))) (= (select |#valid| main_~x~0.base) 1)), 66518#(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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|)) (= 0 |main_#t~malloc4.offset|) (= 8 (select |#length| |main_#t~malloc4.base|))), 66521#(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 |#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)))), 66520#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= |main_#t~mem6.base| (select (select |#memory_$Pointer$.base| (select (select |#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 |#length| |main_#t~mem6.base|))), 66523#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.base|)) (= 8 (select |#length| main_~x~0.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~malloc4.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~malloc4.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~malloc4.offset|)) 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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 66522#(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)) (= 8 (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)))), 66525#(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 |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.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))))), 66524#(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))) (= 8 (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_~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 |#valid| main_~x~0.base) 1)), 66527#(and (= 8 (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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|))), 66526#(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 |#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))))), 66529#(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 |#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 |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|))), 66528#(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))) (= 8 (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)))), 66531#(and (= 8 (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~malloc4.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~malloc4.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~malloc4.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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc4.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~malloc4.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~malloc4.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~malloc4.offset|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc4.base|)) (or (= 1 (select |#valid| main_~head~0.base)) (= main_~x~0.base main_~head~0.base))), 66530#(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 |#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))), 66533#(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))) (= 8 (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)))), 66532#(and (= 8 (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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.offset|)) main_~head~0.base) main_~head~0.offset)))), 66535#(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 |#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))))), 66534#(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 |#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~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base))), 66537#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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))) (= 8 (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)))))), 66536#(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))) (= 8 (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))))), 66539#(and (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) |main_#t~mem15.offset|)) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) |main_#t~mem15.offset|)))), 66538#(or (not (= 0 |main_#t~mem14|)) (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))) (= 8 (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)))))), 66541#(and (= 0 |main_#t~mem15.offset|) (= 8 (select |#length| |main_#t~mem15.base|))), 66540#(and (= 8 (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))), 66542#(and (= (select |#length| main_~x~0.base) 8) (= main_~x~0.offset 0))] [2018-02-04 17:12:54,227 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-02-04 17:12:54,227 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 17:12:54,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 17:12:54,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=1006, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 17:12:54,227 INFO L87 Difference]: Start difference. First operand 381 states and 405 transitions. Second operand 34 states. [2018-02-04 17:12:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:56,287 INFO L93 Difference]: Finished difference Result 394 states and 415 transitions. [2018-02-04 17:12:56,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 17:12:56,288 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 97 [2018-02-04 17:12:56,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:56,288 INFO L225 Difference]: With dead ends: 394 [2018-02-04 17:12:56,288 INFO L226 Difference]: Without dead ends: 394 [2018-02-04 17:12:56,289 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=524, Invalid=3508, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 17:12:56,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2018-02-04 17:12:56,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 381. [2018-02-04 17:12:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-02-04 17:12:56,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 403 transitions. [2018-02-04 17:12:56,290 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 403 transitions. Word has length 97 [2018-02-04 17:12:56,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:56,290 INFO L432 AbstractCegarLoop]: Abstraction has 381 states and 403 transitions. [2018-02-04 17:12:56,290 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 17:12:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 403 transitions. [2018-02-04 17:12:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-02-04 17:12:56,291 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:56,291 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-02-04 17:12:56,291 INFO L371 AbstractCegarLoop]: === Iteration 109 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:56,291 INFO L82 PathProgramCache]: Analyzing trace with hash 536816127, now seen corresponding path program 1 times [2018-02-04 17:12:56,292 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:56,299 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:56,932 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:56,932 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:56,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 17:12:56,932 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:56,933 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 17:12:56,933 INFO L182 omatonBuilderFactory]: Interpolants [67393#(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))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67392#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 67395#(= 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)) 0)), 67394#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)) 0)) 0))), 67397#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 67396#(and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 67399#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 67398#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 67401#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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_#t~mem15.base|) 0)))), 67400#(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)) 0)))), 67403#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (= 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))), 67402#(or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0)) (and (= 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) 0)))), 67405#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= |main_#t~mem20.offset| 0))), 67404#(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))) 0))), 67407#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) (not (= main_~head~0.offset 0))), 67406#(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)) 0))), 67409#(or (not (= main_~head~0.offset 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67408#(or (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)) (not (= main_~head~0.offset 0))), 67411#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 67410#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 67413#(or (= main_~x~0.offset 0) (not (= main_~head~0.offset 0))), 67412#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 67415#(and (<= (+ main_~x~0.offset 8) (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 67414#(= main_~x~0.offset 0), 67379#false, 67378#true, 67381#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 67380#(= 1 (select |#valid| main_~head~0.base)), 67383#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (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) (= (select |#valid| main_~x~0.base) 1)), 67382#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= |main_#t~malloc4.offset| 0) (= main_~x~0.base main_~head~0.base)), 67385#(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))), 67384#(and (= |main_#t~mem6.offset| 0) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 67387#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 67386#(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))), 67389#(and (= |main_#t~mem6.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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 67388#(and (= (select (select |#memory_$Pointer$.offset| 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 (= 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))) (= (select |#valid| main_~x~0.base) 1)), 67391#(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))) (= 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)) 0))), 67390#(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)) 0)))] [2018-02-04 17:12:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:56,933 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 17:12:56,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 17:12:56,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=1274, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 17:12:56,933 INFO L87 Difference]: Start difference. First operand 381 states and 403 transitions. Second operand 38 states. [2018-02-04 17:12:58,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:12:58,268 INFO L93 Difference]: Finished difference Result 402 states and 422 transitions. [2018-02-04 17:12:58,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 17:12:58,268 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 98 [2018-02-04 17:12:58,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:12:58,269 INFO L225 Difference]: With dead ends: 402 [2018-02-04 17:12:58,269 INFO L226 Difference]: Without dead ends: 402 [2018-02-04 17:12:58,269 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 938 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=415, Invalid=3745, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:12:58,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-02-04 17:12:58,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 388. [2018-02-04 17:12:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2018-02-04 17:12:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 413 transitions. [2018-02-04 17:12:58,271 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 413 transitions. Word has length 98 [2018-02-04 17:12:58,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:12:58,271 INFO L432 AbstractCegarLoop]: Abstraction has 388 states and 413 transitions. [2018-02-04 17:12:58,271 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 17:12:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 413 transitions. [2018-02-04 17:12:58,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-02-04 17:12:58,271 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:12:58,271 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:12:58,272 INFO L371 AbstractCegarLoop]: === Iteration 110 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:12:58,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1004005721, now seen corresponding path program 4 times [2018-02-04 17:12:58,272 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:12:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:12:58,279 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:12:58,902 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:58,903 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:12:58,903 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 17:12:58,903 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:12:58,903 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 17:12:58,903 INFO L182 omatonBuilderFactory]: Interpolants [68289#(or (not (= 0 main_~head~0.offset)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)))), 68288#(or (not (= 0 main_~head~0.offset)) (and (= main_~x~0.offset main_~head~0.offset) (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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 68291#(not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 68290#(or (not (= 0 main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68293#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem22.base|))), 68292#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 68294#(= 1 (select |#valid| main_~x~0.base)), 68261#false, 68260#true, 68263#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 68262#(= 1 (select |#valid| main_~head~0.base)), 68265#(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)) (= (select |#valid| main_~x~0.base) 1)), 68264#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 68267#(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))), 68266#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 68269#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 68268#(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))), 68271#(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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.offset|)), 68270#(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| 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))) (= (select |#valid| main_~x~0.base) 1)), 68273#(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)) 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))), 68272#(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))), 68275#(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))) (= 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) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 68274#(and (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 68277#(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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))), 68276#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.base| main_~head~0.base)) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 68279#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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)) (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))), 68278#(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)) (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)), 68281#(and (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 68280#(or (not (= 0 |main_#t~mem14|)) (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)) (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))), 68283#(or (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68282#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (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| main_~x~0.base) main_~x~0.offset)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= 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)))), 68285#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 68284#(or (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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 68287#(or (not (= 0 main_~x~0.offset)) (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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))), 68286#(or (not (= 0 |main_#t~mem20.offset|)) (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|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))))] [2018-02-04 17:12:58,903 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:12:58,903 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 17:12:58,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 17:12:58,904 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1078, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 17:12:58,904 INFO L87 Difference]: Start difference. First operand 388 states and 413 transitions. Second operand 35 states. [2018-02-04 17:13:00,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:13:00,334 INFO L93 Difference]: Finished difference Result 393 states and 417 transitions. [2018-02-04 17:13:00,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 17:13:00,335 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 99 [2018-02-04 17:13:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:13:00,335 INFO L225 Difference]: With dead ends: 393 [2018-02-04 17:13:00,335 INFO L226 Difference]: Without dead ends: 393 [2018-02-04 17:13:00,335 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=460, Invalid=3700, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 17:13:00,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-02-04 17:13:00,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 390. [2018-02-04 17:13:00,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-02-04 17:13:00,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 415 transitions. [2018-02-04 17:13:00,337 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 415 transitions. Word has length 99 [2018-02-04 17:13:00,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:13:00,337 INFO L432 AbstractCegarLoop]: Abstraction has 390 states and 415 transitions. [2018-02-04 17:13:00,337 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 17:13:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 415 transitions. [2018-02-04 17:13:00,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-02-04 17:13:00,338 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:13:00,338 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 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] [2018-02-04 17:13:00,338 INFO L371 AbstractCegarLoop]: === Iteration 111 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:13:00,338 INFO L82 PathProgramCache]: Analyzing trace with hash 484226559, now seen corresponding path program 5 times [2018-02-04 17:13:00,338 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:13:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:13:00,346 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:13:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:13:00,962 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:13:00,962 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-02-04 17:13:00,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:13:00,962 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 17:13:00,962 INFO L182 omatonBuilderFactory]: Interpolants [69139#false, 69138#true, 69141#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 69140#(= 1 (select |#valid| main_~head~0.base)), 69143#(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)) (= (select |#valid| main_~x~0.base) 1)), 69142#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 69145#(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))), 69144#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 69147#(and (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (= |main_#t~malloc4.offset| 0) (not (= main_~head~0.base |main_#t~malloc4.base|))), 69146#(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))), 69149#(and (= |main_#t~mem6.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_~head~0.base |main_#t~mem6.base|)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.base|)), 69148#(and (= (select (select |#memory_$Pointer$.offset| 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 (= 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))) (= (select |#valid| main_~x~0.base) 1)), 69151#(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))) (= 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)) 0))), 69150#(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)) 0))), 69153#(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))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69152#(and (= 0 |main_#t~malloc9.offset|) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.base|)) (= main_~x~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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))), 69155#(= 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)) 0)), 69154#(and (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))) (not (= |main_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= |main_#t~mem11.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)) 0)) 0))), 69157#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 69156#(and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base)), 69159#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem15.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) 0)) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 69158#(or (not (= 0 |main_#t~mem14|)) (and (= main_~x~0.offset main_~head~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)) 0)) 0)) (= main_~x~0.base main_~head~0.base))), 69161#(or (and (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| (select (select |#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_#t~mem15.base|) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69160#(or (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)) 0))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69163#(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))) 0)) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 69162#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 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) 0)))), 69165#(or (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|)) 0)) (not (= 0 |main_#t~mem20.offset|))), 69164#(or (not (= 0 (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))), 69167#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 69166#(or (not (= 0 main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))), 69169#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69168#(or (not (= 0 main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0))), 69171#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))), 69170#(= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)), 69173#(or (not (= main_~head~0.offset 0)) (= 0 main_~x~0.offset)), 69172#(or (= 0 |main_#t~mem20.offset|) (not (= main_~head~0.offset 0))), 69175#(= main_~head~0.offset 0), 69174#(= 0 main_~x~0.offset)] [2018-02-04 17:13:00,962 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:13:00,963 INFO L409 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-02-04 17:13:00,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-02-04 17:13:00,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1276, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 17:13:00,963 INFO L87 Difference]: Start difference. First operand 390 states and 415 transitions. Second operand 38 states. [2018-02-04 17:13:02,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:13:02,590 INFO L93 Difference]: Finished difference Result 399 states and 420 transitions. [2018-02-04 17:13:02,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 17:13:02,590 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 100 [2018-02-04 17:13:02,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:13:02,590 INFO L225 Difference]: With dead ends: 399 [2018-02-04 17:13:02,590 INFO L226 Difference]: Without dead ends: 399 [2018-02-04 17:13:02,591 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=395, Invalid=3895, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 17:13:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-02-04 17:13:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 393. [2018-02-04 17:13:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-02-04 17:13:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 418 transitions. [2018-02-04 17:13:02,594 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 418 transitions. Word has length 100 [2018-02-04 17:13:02,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:13:02,594 INFO L432 AbstractCegarLoop]: Abstraction has 393 states and 418 transitions. [2018-02-04 17:13:02,594 INFO L433 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-02-04 17:13:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 418 transitions. [2018-02-04 17:13:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 17:13:02,595 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:13:02,595 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:02,595 INFO L371 AbstractCegarLoop]: === Iteration 112 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:13:02,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1518148935, now seen corresponding path program 5 times [2018-02-04 17:13:02,596 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:13:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:13:02,610 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 17:13:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:13:08,180 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 17:13:08,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-02-04 17:13:08,181 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 17:13:08,181 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 17:13:08,182 INFO L182 omatonBuilderFactory]: Interpolants [70025#false, 70024#true, 70027#(and (= |#valid| |old(#valid)|) (= 0 (select |#valid| 0))), 70026#(= 0 (select |#valid| 0)), 70029#(and (= 0 (select |#valid| 0)) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 70028#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 (select |#valid| 0))), 70031#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~x~0.base main_~head~0.base)), 70030#(and (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 70033#(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) (= 0 (select |#valid| 0)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~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)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select |#valid| main_~x~0.base) 1)), 70032#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= |old(#valid)| (store (store |#valid| |main_#t~malloc4.base| 0) main_~head~0.base 0)) (not (= |main_#t~malloc4.base| 0)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= 0 |main_#t~malloc4.offset|)), 70035#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 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) 0)) (= 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))), 70034#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem6.base|)) (= 0 |main_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)), 70037#(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~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0)) (= |old(#valid)| (store (store (store |#valid| |main_#t~malloc4.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~malloc4.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0)) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base |main_#t~malloc4.base|)) (= 0 (select |#valid| 0)) (= main_~x~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~malloc4.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc4.base|))), 70036#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= 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))), 70039#(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_~head~0.base |main_#t~mem6.base|)) (= |main_#t~mem6.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| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem6.base|)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) |main_#t~mem6.offset|)), 70038#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (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_~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))) (= (select |#valid| main_~x~0.base) 1)), 70041#(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)) 0)) (= 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_~head~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_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (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))), 70040#(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))) (= 0 (select |#valid| 0)) (not (= main_~head~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_~head~0.base) main_~head~0.offset))) (= (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |old(#valid)|) (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))), 70043#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (= main_~x~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_$Pointer$.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| 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_~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))) (= 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| main_~head~0.base) main_~head~0.offset) (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)) 0))))), 70042#(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~malloc9.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc9.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~malloc9.base|)) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc9.base|)) (not (= main_~head~0.base |main_#t~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 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~malloc9.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~malloc9.base|)) 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~malloc9.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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0))) (= 0 (select |#valid| 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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0)) (not (= 0 main_~head~0.base)) (= (store (store (store (store |#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~malloc9.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~malloc9.base|)) main_~head~0.base) main_~head~0.offset)) 0) 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~malloc9.base|)) main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) |main_#t~malloc9.base| 0) |old(#valid)|)), 70045#(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)) (select (select |#memory_$Pointer$.offset| (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| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (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_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (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)) (select (select |#memory_$Pointer$.offset| (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))), 70044#(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)) (select (select |#memory_$Pointer$.offset| (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) 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 (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (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)) (select (select |#memory_$Pointer$.offset| (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= |main_#t~mem11.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| 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_#t~mem11.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (not (= |main_#t~mem11.base| main_~head~0.base)) (not (= 0 main_~head~0.base))), 70047#(and (= |main_#t~mem13| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (not (= (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_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset 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| (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)))) (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)) (select (select |#memory_$Pointer$.offset| (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_~head~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))) (= 0 (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| (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)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 70046#(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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (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)) 0))) (not (= (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_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (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| (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)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 70049#(or (not (= 0 |main_#t~mem14|)) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (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)) 0))) (not (= (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_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (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| (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)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 70048#(or (not (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)))) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (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)) 0))) (not (= (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_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset main_~head~0.offset) (= 0 (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| (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)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))))), 70051#(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| |main_#t~mem15.base|) 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_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0))) (not (= (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_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= |main_#t~mem15.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= 0 main_~head~0.base)) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) 0)) (select (select |#memory_$Pointer$.offset| |main_#t~mem15.base|) 0)) 0) |old(#valid)|) (= |main_#t~mem15.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 70050#(and (not (= 1 (select |#valid| 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) 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)) 0)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (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)) 0))) (not (= (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_~x~0.base) main_~x~0.offset)) 0))) (= main_~x~0.offset 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| (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)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (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)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0))))), 70053#(or (and (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (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 (= (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~mem15.base|) (select (select |#memory_$Pointer$.offset| (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) 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))) (= (select (select |#memory_$Pointer$.base| (select (select |#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~mem15.base|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| 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~mem15.offset|) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| |main_#t~mem15.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (not (= 0 main_~head~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70052#(or (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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))) (= 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 (= (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 (= (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_~head~0.base) main_~head~0.offset))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) 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) 0)) 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 0))) (not (= 0 main_~head~0.base)) (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) 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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70055#(or (and (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (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)) 0)) 0)) (= 1 (select |#valid| main_~x~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 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| (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_~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)) 0) (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)) 0)))) (not (= 1 (select |#valid| 0))) (not (= main_~head~0.base (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)) 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 (= (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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (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)))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70054#(or (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| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= |old(#valid)| (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 0) (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)) 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| main_~head~0.base) main_~head~0.offset)) 0))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0)) (= 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| (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_~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| (select (select |#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 (= 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))) (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) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70057#(or (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)) (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)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (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| (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) 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 (= (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))) (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_~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| (select (select |#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 (= 0 main_~head~0.base)) (or (not (= 1 (select |#valid| main_~x~0.base))) (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 (= 0 main_~x~0.base))))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70056#(or (and (not (= 1 (select |#valid| 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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (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)))) (= |main_#t~mem17.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| 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 (= (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 (= (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))) (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_~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| (select (select |#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 (= 0 main_~head~0.base))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 70059#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (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)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)) 0) |old(#valid)|) (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 (= (select (select |#memory_$Pointer$.base| 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))) (select (select |#memory_$Pointer$.offset| (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| (select (select |#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)))) (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 (= (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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 0)))) (not (= 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))) (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))))))), 70058#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (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)) (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)))) (= (store (store (store (store |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0) 0) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) 0) main_~head~0.base 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))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) 0) |old(#valid)|) (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| (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) 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 (= (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))) (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_~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| (select (select |#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 (= 0 main_~head~0.base)) (not (= 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))) (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))))))), 70061#(or (and (not (= 0 (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|)))) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= |main_#t~mem20.base| 0)) (not (= main_~head~0.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|) 0)))) (not (= 0 main_~head~0.base)) (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|) |main_#t~mem20.offset|)) (select (select |#memory_$Pointer$.offset| |main_#t~mem20.base|) 0)))) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (= |old(#valid)| (store (store (store (store |#valid| main_~head~0.base 0) |main_#t~mem20.base| 0) (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|) 0)) 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0) 0)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) 0))) (not (= |main_#t~mem20.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|) 0))))) (not (= 0 |main_#t~mem20.offset|))), 70060#(or (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (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 (= 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)) (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)))) (not (= (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))) (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))) (select (select |#memory_$Pointer$.offset| (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))) (= |old(#valid)| (store (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| (select (select |#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)) 0) (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)) (not (= main_~head~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) (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)) 0)))) (not (= 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))) (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))))))), 70063#(or (not (= 0 main_~x~0.offset)) (and (= (store (store (store |#valid| main_~x~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)) 0) (select (select |#memory_$Pointer$.base| 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) 0)))) (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 0)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70062#(or (not (= 0 main_~x~0.offset)) (and (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) 0)))) (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 main_~x~0.base)) (not (= 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)) (= (store (store (store (store |#valid| main_~head~0.base 0) main_~x~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)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (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) 0)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70065#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (not (= 0 |main_#t~mem20.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (not (= main_~head~0.base |main_#t~mem20.base|)) (not (= |main_#t~mem20.base| (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|) 0) |main_#t~mem20.base| 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem20.base|) |main_#t~mem20.offset|))))), 70064#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (= |old(#valid)| (store (store (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)) 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0)) (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))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) 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) 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)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) 0)))))), 70067#(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| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 0) |old(#valid)|)), 70066#(or (not (= 0 main_~head~0.offset)) (and (not (= main_~head~0.base 0)) (= (store (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) main_~x~0.base 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 (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))), 70069#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 70068#(and (not (= |main_#t~mem22.base| main_~x~0.base)) (not (= 0 |main_#t~mem22.base|)) (not (= 0 main_~x~0.base)) (= (store (store |#valid| |main_#t~mem22.base| 0) main_~x~0.base 0) |old(#valid)|)), 70070#(= |#valid| |old(#valid)|)] [2018-02-04 17:13:08,182 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 17:13:08,182 INFO L409 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-02-04 17:13:08,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-02-04 17:13:08,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=2029, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 17:13:08,182 INFO L87 Difference]: Start difference. First operand 393 states and 418 transitions. Second operand 47 states. [2018-02-04 17:13:09,523 WARN L146 SmtUtils]: Spent 113ms on a formula simplification. DAG size of input: 136 DAG size of output 77 [2018-02-04 17:13:09,749 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 153 DAG size of output 86 [2018-02-04 17:13:11,328 WARN L146 SmtUtils]: Spent 123ms on a formula simplification. DAG size of input: 163 DAG size of output 100 [2018-02-04 17:13:11,699 WARN L146 SmtUtils]: Spent 106ms on a formula simplification. DAG size of input: 106 DAG size of output 91 [2018-02-04 17:13:13,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 17:13:13,019 INFO L93 Difference]: Finished difference Result 395 states and 419 transitions. [2018-02-04 17:13:13,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-02-04 17:13:13,019 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 101 [2018-02-04 17:13:13,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 17:13:13,019 INFO L225 Difference]: With dead ends: 395 [2018-02-04 17:13:13,019 INFO L226 Difference]: Without dead ends: 385 [2018-02-04 17:13:13,020 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 16 SyntacticMatches, 5 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1457 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=409, Invalid=6233, Unknown=0, NotChecked=0, Total=6642 [2018-02-04 17:13:13,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-02-04 17:13:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2018-02-04 17:13:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2018-02-04 17:13:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 409 transitions. [2018-02-04 17:13:13,021 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 409 transitions. Word has length 101 [2018-02-04 17:13:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 17:13:13,022 INFO L432 AbstractCegarLoop]: Abstraction has 385 states and 409 transitions. [2018-02-04 17:13:13,022 INFO L433 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-02-04 17:13:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 409 transitions. [2018-02-04 17:13:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-02-04 17:13:13,022 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 17:13:13,022 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 17:13:13,022 INFO L371 AbstractCegarLoop]: === Iteration 113 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr31RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr39RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr9RequiresViolation, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr34RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation, mainErr44EnsuresViolation, mainErr37RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 17:13:13,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1918762784, now seen corresponding path program 7 times [2018-02-04 17:13:13,023 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 17:13:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 17:13:13,032 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. Received shutdown request... [2018-02-04 17:13:13,851 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 17:13:13,854 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 17:13:13,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 05:13:13 BoogieIcfgContainer [2018-02-04 17:13:13,854 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 17:13:13,855 INFO L168 Benchmark]: Toolchain (without parser) took 180521.09 ms. Allocated memory was 412.6 MB in the beginning and 1.4 GB in the end (delta: 939.0 MB). Free memory was 366.4 MB in the beginning and 356.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 948.5 MB. Max. memory is 5.3 GB. [2018-02-04 17:13:13,855 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 412.6 MB. Free memory is still 371.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 17:13:13,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.06 ms. Allocated memory is still 412.6 MB. Free memory was 366.4 MB in the beginning and 353.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 17:13:13,856 INFO L168 Benchmark]: Boogie Preprocessor took 23.92 ms. Allocated memory is still 412.6 MB. Free memory is still 353.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 17:13:13,856 INFO L168 Benchmark]: RCFGBuilder took 327.57 ms. Allocated memory is still 412.6 MB. Free memory was 353.2 MB in the beginning and 320.1 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 5.3 GB. [2018-02-04 17:13:13,856 INFO L168 Benchmark]: TraceAbstraction took 179999.96 ms. Allocated memory was 412.6 MB in the beginning and 1.4 GB in the end (delta: 939.0 MB). Free memory was 320.1 MB in the beginning and 356.9 MB in the end (delta: -36.7 MB). Peak memory consumption was 902.3 MB. Max. memory is 5.3 GB. [2018-02-04 17:13:13,857 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 412.6 MB. Free memory is still 371.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 167.06 ms. Allocated memory is still 412.6 MB. Free memory was 366.4 MB in the beginning and 353.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.92 ms. Allocated memory is still 412.6 MB. Free memory is still 353.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 327.57 ms. Allocated memory is still 412.6 MB. Free memory was 353.2 MB in the beginning and 320.1 MB in the end (delta: 33.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 179999.96 ms. Allocated memory was 412.6 MB in the beginning and 1.4 GB in the end (delta: 939.0 MB). Free memory was 320.1 MB in the beginning and 356.9 MB in the end (delta: -36.7 MB). Peak memory consumption was 902.3 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 pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1022). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 994). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1015). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1018). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1029). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1021). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 993). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1026). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1003). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1017). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1020). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1004). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1030). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1034). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1002). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 989]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 989). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1032). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1033). Cancelled while BasicCegarLoop was analyzing trace of length 102 with TraceHistMax 4, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 36 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 114 locations, 45 error locations. TIMEOUT Result, 179.9s OverallTime, 113 OverallIterations, 6 TraceHistogramMax, 126.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8026 SDtfs, 42798 SDslu, 102291 SDs, 0 SdLazy, 131998 SolverSat, 9912 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5389 GetRequests, 475 SyntacticMatches, 69 SemanticMatches, 4845 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54927 ImplicationChecksByTransitivity, 103.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=409occurred in iteration=104, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 233/3698 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, 112 MinimizatonAttempts, 5067 StatesRemovedByMinimization, 109 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 49.3s InterpolantComputationTime, 7583 NumberOfCodeBlocks, 7583 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 7471 ConstructedInterpolants, 0 QuantifiedInterpolants, 17703849 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 112 InterpolantComputations, 15 PerfectInterpolantSequences, 233/3698 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/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_17-13-13-861.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/sll-token_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_17-13-13-861.csv Completed graceful shutdown