java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:32:20,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:32:20,497 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:32:20,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:32:20,510 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:32:20,510 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:32:20,511 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:32:20,513 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:32:20,514 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:32:20,515 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:32:20,516 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:32:20,516 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:32:20,517 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:32:20,520 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:32:20,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:32:20,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:32:20,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:32:20,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:32:20,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:32:20,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:32:20,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 03:32:20,529 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 03:32:20,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 03:32:20,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 03:32:20,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 03:32:20,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 03:32:20,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 03:32:20,533 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 03:32:20,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 03:32:20,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 03:32:20,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 03:32:20,534 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-04 03:32:20,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:32:20,543 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:32:20,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:32:20,544 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:32:20,544 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:32:20,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:32:20,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:32:20,544 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:32:20,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:32:20,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:32:20,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:32:20,546 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:32:20,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:32:20,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:32:20,546 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:32:20,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:32:20,582 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:32:20,584 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:32:20,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:32:20,586 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:32:20,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:32:20,720 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:32:20,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:32:20,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:32:20,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:32:20,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:32:20,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cd7dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20, skipping insertion in model container [2018-02-04 03:32:20,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,739 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:32:20,770 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:32:20,863 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:32:20,882 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:32:20,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20 WrapperNode [2018-02-04 03:32:20,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:32:20,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:32:20,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:32:20,891 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:32:20,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... [2018-02-04 03:32:20,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:32:20,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:32:20,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:32:20,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:32:20,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:32:20,964 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:32:20,964 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:32:20,964 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:32:20,964 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 03:32:20,964 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 03:32:20,964 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:32:20,965 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-02-04 03:32:20,966 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:32:20,966 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:32:20,966 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:32:21,329 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:32:21,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:32:21 BoogieIcfgContainer [2018-02-04 03:32:21,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:32:21,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:32:21,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:32:21,333 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:32:21,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:32:20" (1/3) ... [2018-02-04 03:32:21,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547b87a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:32:21, skipping insertion in model container [2018-02-04 03:32:21,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:32:20" (2/3) ... [2018-02-04 03:32:21,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@547b87a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:32:21, skipping insertion in model container [2018-02-04 03:32:21,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:32:21" (3/3) ... [2018-02-04 03:32:21,335 INFO L107 eAbstractionObserver]: Analyzing ICFG dll-optional_true-unreach-call_true-valid-memsafety.i [2018-02-04 03:32:21,340 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:32:21,347 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 69 error locations. [2018-02-04 03:32:21,370 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:32:21,370 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:32:21,371 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:32:21,371 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:32:21,371 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:32:21,371 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:32:21,371 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:32:21,371 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:32:21,372 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:32:21,384 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-02-04 03:32:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:32:21,391 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:21,392 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:21,392 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:21,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1266701268, now seen corresponding path program 1 times [2018-02-04 03:32:21,434 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:21,462 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:21,510 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:21,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:32:21,511 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:21,512 INFO L182 omatonBuilderFactory]: Interpolants [160#(= 1 (select |#valid| main_~head~0.base)), 157#true, 158#false, 159#(= 1 (select |#valid| |main_#t~malloc0.base|))] [2018-02-04 03:32:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:21,512 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:32:21,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:32:21,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:32:21,522 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 4 states. [2018-02-04 03:32:21,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:21,815 INFO L93 Difference]: Finished difference Result 167 states and 179 transitions. [2018-02-04 03:32:21,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:32:21,817 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:32:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:21,826 INFO L225 Difference]: With dead ends: 167 [2018-02-04 03:32:21,826 INFO L226 Difference]: Without dead ends: 163 [2018-02-04 03:32:21,828 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-02-04 03:32:21,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 142. [2018-02-04 03:32:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-02-04 03:32:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2018-02-04 03:32:21,861 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 8 [2018-02-04 03:32:21,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:21,862 INFO L432 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2018-02-04 03:32:21,862 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:32:21,862 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2018-02-04 03:32:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 03:32:21,862 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:21,862 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:21,862 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:21,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1266701269, now seen corresponding path program 1 times [2018-02-04 03:32:21,863 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:21,877 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:21,933 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 03:32:21,933 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:21,933 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:32:21,933 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:21,934 INFO L182 omatonBuilderFactory]: Interpolants [472#true, 473#false, 474#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 475#(and (= (select |#length| main_~head~0.base) 16) (= main_~head~0.offset 0))] [2018-02-04 03:32:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:21,935 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:32:21,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:32:21,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:32:21,935 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand 4 states. [2018-02-04 03:32:22,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:22,054 INFO L93 Difference]: Finished difference Result 138 states and 149 transitions. [2018-02-04 03:32:22,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 03:32:22,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 03:32:22,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:22,057 INFO L225 Difference]: With dead ends: 138 [2018-02-04 03:32:22,057 INFO L226 Difference]: Without dead ends: 138 [2018-02-04 03:32:22,058 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:22,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-02-04 03:32:22,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 133. [2018-02-04 03:32:22,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-02-04 03:32:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 144 transitions. [2018-02-04 03:32:22,068 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 144 transitions. Word has length 8 [2018-02-04 03:32:22,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:22,068 INFO L432 AbstractCegarLoop]: Abstraction has 133 states and 144 transitions. [2018-02-04 03:32:22,068 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:32:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 144 transitions. [2018-02-04 03:32:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:32:22,069 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:22,069 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:22,069 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:22,070 INFO L82 PathProgramCache]: Analyzing trace with hash -235797476, now seen corresponding path program 1 times [2018-02-04 03:32:22,070 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:22,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:22,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,124 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:22,125 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:22,125 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,125 INFO L182 omatonBuilderFactory]: Interpolants [752#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 753#(= 1 (select |#valid| |main_#t~mem7.base|)), 749#true, 750#false, 751#(= 1 (select |#valid| |main_#t~malloc5.base|))] [2018-02-04 03:32:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,125 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:22,125 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:22,125 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:22,126 INFO L87 Difference]: Start difference. First operand 133 states and 144 transitions. Second operand 5 states. [2018-02-04 03:32:22,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:22,365 INFO L93 Difference]: Finished difference Result 285 states and 309 transitions. [2018-02-04 03:32:22,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:32:22,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-02-04 03:32:22,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:22,368 INFO L225 Difference]: With dead ends: 285 [2018-02-04 03:32:22,369 INFO L226 Difference]: Without dead ends: 285 [2018-02-04 03:32:22,369 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:22,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-02-04 03:32:22,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 132. [2018-02-04 03:32:22,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-02-04 03:32:22,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 143 transitions. [2018-02-04 03:32:22,377 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 143 transitions. Word has length 16 [2018-02-04 03:32:22,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:22,378 INFO L432 AbstractCegarLoop]: Abstraction has 132 states and 143 transitions. [2018-02-04 03:32:22,378 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 143 transitions. [2018-02-04 03:32:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 03:32:22,378 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:22,378 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:22,378 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:22,379 INFO L82 PathProgramCache]: Analyzing trace with hash -235797475, now seen corresponding path program 1 times [2018-02-04 03:32:22,379 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:22,393 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,441 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:22,441 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:22,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:22,441 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 03:32:22,441 INFO L182 omatonBuilderFactory]: Interpolants [1177#true, 1178#false, 1179#(and (= 0 |main_#t~malloc5.offset|) (= 16 (select |#length| |main_#t~malloc5.base|))), 1180#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 1181#(and (= (select |#length| |main_#t~mem7.base|) 16) (= |main_#t~mem7.offset| 0))] [2018-02-04 03:32:22,441 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 03:32:22,441 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:22,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:22,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:22,442 INFO L87 Difference]: Start difference. First operand 132 states and 143 transitions. Second operand 5 states. [2018-02-04 03:32:22,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:22,675 INFO L93 Difference]: Finished difference Result 240 states and 260 transitions. [2018-02-04 03:32:22,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:32:22,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-02-04 03:32:22,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:22,676 INFO L225 Difference]: With dead ends: 240 [2018-02-04 03:32:22,677 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 03:32:22,677 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:22,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 03:32:22,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 131. [2018-02-04 03:32:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-02-04 03:32:22,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 142 transitions. [2018-02-04 03:32:22,684 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 142 transitions. Word has length 16 [2018-02-04 03:32:22,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:22,684 INFO L432 AbstractCegarLoop]: Abstraction has 131 states and 142 transitions. [2018-02-04 03:32:22,684 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:22,684 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 142 transitions. [2018-02-04 03:32:22,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 03:32:22,685 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:22,685 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] [2018-02-04 03:32:22,685 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:22,685 INFO L82 PathProgramCache]: Analyzing trace with hash -2104820849, now seen corresponding path program 1 times [2018-02-04 03:32:22,686 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:22,702 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:22,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,753 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:22,753 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:32:22,753 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,754 INFO L182 omatonBuilderFactory]: Interpolants [1559#true, 1560#false, 1561#(= (select |#valid| main_~head~0.base) 1), 1562#(= (select |#valid| main_~x~0.base) 1)] [2018-02-04 03:32:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,754 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:32:22,755 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:32:22,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:32:22,755 INFO L87 Difference]: Start difference. First operand 131 states and 142 transitions. Second operand 4 states. [2018-02-04 03:32:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:22,852 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2018-02-04 03:32:22,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:32:22,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-02-04 03:32:22,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:22,854 INFO L225 Difference]: With dead ends: 134 [2018-02-04 03:32:22,854 INFO L226 Difference]: Without dead ends: 134 [2018-02-04 03:32:22,854 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:22,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-02-04 03:32:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2018-02-04 03:32:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-02-04 03:32:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 142 transitions. [2018-02-04 03:32:22,859 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 142 transitions. Word has length 20 [2018-02-04 03:32:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:22,859 INFO L432 AbstractCegarLoop]: Abstraction has 126 states and 142 transitions. [2018-02-04 03:32:22,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:32:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 142 transitions. [2018-02-04 03:32:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 03:32:22,860 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:22,860 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] [2018-02-04 03:32:22,860 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:22,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2104820848, now seen corresponding path program 1 times [2018-02-04 03:32:22,861 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:22,872 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,920 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:22,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:32:22,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,921 INFO L182 omatonBuilderFactory]: Interpolants [1825#true, 1826#false, 1827#(and (= 16 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 1828#(and (= 0 main_~head~0.offset) (= 16 (select |#length| main_~head~0.base))), 1829#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1) (= 16 (select |#length| main_~head~0.base))), 1830#(and (= main_~x~0.offset 0) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~x~0.base) 1)), 1831#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 16))] [2018-02-04 03:32:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:22,921 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:32:22,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:32:22,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:32:22,922 INFO L87 Difference]: Start difference. First operand 126 states and 142 transitions. Second operand 7 states. [2018-02-04 03:32:23,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:23,092 INFO L93 Difference]: Finished difference Result 176 states and 193 transitions. [2018-02-04 03:32:23,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:32:23,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-02-04 03:32:23,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:23,093 INFO L225 Difference]: With dead ends: 176 [2018-02-04 03:32:23,093 INFO L226 Difference]: Without dead ends: 176 [2018-02-04 03:32:23,093 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:32:23,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-02-04 03:32:23,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 157. [2018-02-04 03:32:23,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-02-04 03:32:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2018-02-04 03:32:23,098 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 20 [2018-02-04 03:32:23,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:23,098 INFO L432 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2018-02-04 03:32:23,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:32:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2018-02-04 03:32:23,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:32:23,099 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:23,099 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:23,099 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:23,099 INFO L82 PathProgramCache]: Analyzing trace with hash 196761554, now seen corresponding path program 1 times [2018-02-04 03:32:23,100 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:23,109 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,134 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:23,134 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:23,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,134 INFO L182 omatonBuilderFactory]: Interpolants [2171#true, 2172#false, 2173#(= 1 (select |#valid| |main_#t~malloc15.base|)), 2174#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 2175#(= 1 (select |#valid| |main_#t~mem17.base|))] [2018-02-04 03:32:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,134 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:23,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:23,135 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:23,135 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 5 states. [2018-02-04 03:32:23,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:23,280 INFO L93 Difference]: Finished difference Result 221 states and 256 transitions. [2018-02-04 03:32:23,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:32:23,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-02-04 03:32:23,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:23,281 INFO L225 Difference]: With dead ends: 221 [2018-02-04 03:32:23,281 INFO L226 Difference]: Without dead ends: 221 [2018-02-04 03:32:23,281 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:32:23,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-02-04 03:32:23,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 156. [2018-02-04 03:32:23,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-02-04 03:32:23,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 180 transitions. [2018-02-04 03:32:23,286 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 180 transitions. Word has length 22 [2018-02-04 03:32:23,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:23,286 INFO L432 AbstractCegarLoop]: Abstraction has 156 states and 180 transitions. [2018-02-04 03:32:23,286 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:23,286 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 180 transitions. [2018-02-04 03:32:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-04 03:32:23,287 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:23,287 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:23,287 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:23,287 INFO L82 PathProgramCache]: Analyzing trace with hash 196761555, now seen corresponding path program 1 times [2018-02-04 03:32:23,288 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:23,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,343 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:23,343 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:23,343 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,344 INFO L182 omatonBuilderFactory]: Interpolants [2560#(and (= 16 (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))), 2561#(and (= (select |#length| |main_#t~mem17.base|) 16) (= |main_#t~mem17.offset| 0)), 2557#true, 2558#false, 2559#(and (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|))] [2018-02-04 03:32:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,344 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:23,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:23,344 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:23,344 INFO L87 Difference]: Start difference. First operand 156 states and 180 transitions. Second operand 5 states. [2018-02-04 03:32:23,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:23,564 INFO L93 Difference]: Finished difference Result 240 states and 280 transitions. [2018-02-04 03:32:23,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:32:23,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-02-04 03:32:23,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:23,566 INFO L225 Difference]: With dead ends: 240 [2018-02-04 03:32:23,566 INFO L226 Difference]: Without dead ends: 240 [2018-02-04 03:32:23,567 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:23,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-02-04 03:32:23,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 155. [2018-02-04 03:32:23,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 03:32:23,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 178 transitions. [2018-02-04 03:32:23,571 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 178 transitions. Word has length 22 [2018-02-04 03:32:23,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:23,571 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 178 transitions. [2018-02-04 03:32:23,571 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:23,571 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 178 transitions. [2018-02-04 03:32:23,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:32:23,572 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:23,572 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] [2018-02-04 03:32:23,573 INFO L371 AbstractCegarLoop]: === Iteration 9 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:23,573 INFO L82 PathProgramCache]: Analyzing trace with hash 2133980856, now seen corresponding path program 1 times [2018-02-04 03:32:23,574 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:23,581 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,604 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:23,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:32:23,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,604 INFO L182 omatonBuilderFactory]: Interpolants [2963#true, 2964#false, 2965#(not (= 0 |main_#t~malloc0.base|)), 2966#(not (= 0 main_~head~0.base)), 2967#(not (= 0 main_~x~0.base))] [2018-02-04 03:32:23,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,605 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:23,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:23,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:23,605 INFO L87 Difference]: Start difference. First operand 155 states and 178 transitions. Second operand 5 states. [2018-02-04 03:32:23,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:23,708 INFO L93 Difference]: Finished difference Result 167 states and 184 transitions. [2018-02-04 03:32:23,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:32:23,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2018-02-04 03:32:23,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:23,709 INFO L225 Difference]: With dead ends: 167 [2018-02-04 03:32:23,709 INFO L226 Difference]: Without dead ends: 167 [2018-02-04 03:32:23,710 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:32:23,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-02-04 03:32:23,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 155. [2018-02-04 03:32:23,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 03:32:23,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 176 transitions. [2018-02-04 03:32:23,713 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 176 transitions. Word has length 26 [2018-02-04 03:32:23,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:23,713 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 176 transitions. [2018-02-04 03:32:23,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:23,713 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 176 transitions. [2018-02-04 03:32:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:32:23,714 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:23,714 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] [2018-02-04 03:32:23,714 INFO L371 AbstractCegarLoop]: === Iteration 10 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:23,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1951923348, now seen corresponding path program 1 times [2018-02-04 03:32:23,715 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:23,726 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:23,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:23,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:32:23,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,809 INFO L182 omatonBuilderFactory]: Interpolants [3296#(= (select |#valid| main_~head~0.base) 1), 3297#(= (select |#valid| main_~x~0.base) 1), 3298#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 1 (select |#valid| |main_#t~malloc15.base|))), 3299#(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)))), 3300#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 3301#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 3302#(= 1 (select |#valid| |main_#t~mem19.base|)), 3294#true, 3295#false] [2018-02-04 03:32:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:23,809 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:32:23,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:32:23,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:23,810 INFO L87 Difference]: Start difference. First operand 155 states and 176 transitions. Second operand 9 states. [2018-02-04 03:32:24,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:24,239 INFO L93 Difference]: Finished difference Result 155 states and 175 transitions. [2018-02-04 03:32:24,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 03:32:24,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2018-02-04 03:32:24,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:24,240 INFO L225 Difference]: With dead ends: 155 [2018-02-04 03:32:24,240 INFO L226 Difference]: Without dead ends: 155 [2018-02-04 03:32:24,240 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:32:24,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-02-04 03:32:24,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 154. [2018-02-04 03:32:24,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-02-04 03:32:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 175 transitions. [2018-02-04 03:32:24,243 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 175 transitions. Word has length 26 [2018-02-04 03:32:24,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:24,243 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 175 transitions. [2018-02-04 03:32:24,243 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:32:24,244 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 175 transitions. [2018-02-04 03:32:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:32:24,244 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:24,244 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] [2018-02-04 03:32:24,245 INFO L371 AbstractCegarLoop]: === Iteration 11 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:24,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1951923349, now seen corresponding path program 1 times [2018-02-04 03:32:24,246 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:24,255 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:24,365 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:24,365 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:32:24,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:24,366 INFO L182 omatonBuilderFactory]: Interpolants [3622#true, 3623#false, 3624#(= (select |#valid| main_~head~0.base) 1), 3625#(= (select |#valid| main_~x~0.base) 1), 3626#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 3627#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (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))), 3628#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 3629#(and (= 16 (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))), 3630#(and (= 16 (select |#length| |main_#t~mem19.base|)) (= 0 |main_#t~mem19.offset|)), 3631#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 16))] [2018-02-04 03:32:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:24,366 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:32:24,366 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:32:24,366 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:32:24,368 INFO L87 Difference]: Start difference. First operand 154 states and 175 transitions. Second operand 10 states. [2018-02-04 03:32:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:24,741 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2018-02-04 03:32:24,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:32:24,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2018-02-04 03:32:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:24,742 INFO L225 Difference]: With dead ends: 146 [2018-02-04 03:32:24,742 INFO L226 Difference]: Without dead ends: 146 [2018-02-04 03:32:24,743 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:24,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-02-04 03:32:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 134. [2018-02-04 03:32:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-02-04 03:32:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2018-02-04 03:32:24,745 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 26 [2018-02-04 03:32:24,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:24,746 INFO L432 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2018-02-04 03:32:24,746 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:32:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2018-02-04 03:32:24,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-02-04 03:32:24,746 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:24,747 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] [2018-02-04 03:32:24,747 INFO L371 AbstractCegarLoop]: === Iteration 12 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:24,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1846863039, now seen corresponding path program 1 times [2018-02-04 03:32:24,747 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:24,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:24,770 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:24,771 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:24,771 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:24,771 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 03:32:24,771 INFO L182 omatonBuilderFactory]: Interpolants [3936#(not |main_#t~short34|), 3937#(not |main_#t~short37|), 3934#true, 3935#false] [2018-02-04 03:32:24,771 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 03:32:24,771 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:32:24,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:32:24,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:32:24,771 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 4 states. [2018-02-04 03:32:24,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:24,782 INFO L93 Difference]: Finished difference Result 160 states and 184 transitions. [2018-02-04 03:32:24,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:32:24,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2018-02-04 03:32:24,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:24,783 INFO L225 Difference]: With dead ends: 160 [2018-02-04 03:32:24,783 INFO L226 Difference]: Without dead ends: 160 [2018-02-04 03:32:24,783 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-02-04 03:32:24,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 138. [2018-02-04 03:32:24,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-02-04 03:32:24,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 158 transitions. [2018-02-04 03:32:24,786 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 158 transitions. Word has length 29 [2018-02-04 03:32:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:24,786 INFO L432 AbstractCegarLoop]: Abstraction has 138 states and 158 transitions. [2018-02-04 03:32:24,786 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:32:24,786 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 158 transitions. [2018-02-04 03:32:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 03:32:24,786 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:24,787 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] [2018-02-04 03:32:24,787 INFO L371 AbstractCegarLoop]: === Iteration 13 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:24,787 INFO L82 PathProgramCache]: Analyzing trace with hash 2044037406, now seen corresponding path program 1 times [2018-02-04 03:32:24,787 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:24,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:24,917 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:24,917 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:32:24,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:24,918 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 03:32:24,918 INFO L182 omatonBuilderFactory]: Interpolants [4240#(= 0 |main_#t~malloc0.offset|), 4241#(= main_~head~0.offset 0), 4242#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 4243#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 4244#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 4245#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 4246#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 4247#(= 1 (select |#valid| |main_#t~mem35.base|)), 4238#true, 4239#false] [2018-02-04 03:32:24,918 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 03:32:24,918 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:32:24,918 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:32:24,920 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:32:24,920 INFO L87 Difference]: Start difference. First operand 138 states and 158 transitions. Second operand 10 states. [2018-02-04 03:32:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:25,248 INFO L93 Difference]: Finished difference Result 247 states and 281 transitions. [2018-02-04 03:32:25,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:32:25,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2018-02-04 03:32:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:25,250 INFO L225 Difference]: With dead ends: 247 [2018-02-04 03:32:25,250 INFO L226 Difference]: Without dead ends: 247 [2018-02-04 03:32:25,250 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:32:25,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-02-04 03:32:25,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 155. [2018-02-04 03:32:25,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-02-04 03:32:25,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 179 transitions. [2018-02-04 03:32:25,252 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 179 transitions. Word has length 31 [2018-02-04 03:32:25,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:25,252 INFO L432 AbstractCegarLoop]: Abstraction has 155 states and 179 transitions. [2018-02-04 03:32:25,252 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:32:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 179 transitions. [2018-02-04 03:32:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-02-04 03:32:25,253 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:25,253 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] [2018-02-04 03:32:25,253 INFO L371 AbstractCegarLoop]: === Iteration 14 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:25,254 INFO L82 PathProgramCache]: Analyzing trace with hash 2044037407, now seen corresponding path program 1 times [2018-02-04 03:32:25,254 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:25,262 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,369 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:25,370 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-02-04 03:32:25,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,370 INFO L182 omatonBuilderFactory]: Interpolants [4672#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 4673#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 4674#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= main_~x~0.offset 0) (= |main_#t~mem33.base| main_~x~0.base)), 4675#(and (= main_~x~0.offset 0) (not |main_#t~short34|)), 4676#(and (not |main_#t~short37|) (= main_~x~0.offset 0)), 4668#true, 4669#false, 4670#(= 0 |main_#t~malloc0.offset|), 4671#(= main_~head~0.offset 0)] [2018-02-04 03:32:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,370 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:32:25,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:32:25,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:25,371 INFO L87 Difference]: Start difference. First operand 155 states and 179 transitions. Second operand 9 states. [2018-02-04 03:32:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:25,727 INFO L93 Difference]: Finished difference Result 226 states and 255 transitions. [2018-02-04 03:32:25,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:32:25,728 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 31 [2018-02-04 03:32:25,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:25,728 INFO L225 Difference]: With dead ends: 226 [2018-02-04 03:32:25,728 INFO L226 Difference]: Without dead ends: 226 [2018-02-04 03:32:25,729 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=199, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:32:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-02-04 03:32:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 151. [2018-02-04 03:32:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-02-04 03:32:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 173 transitions. [2018-02-04 03:32:25,731 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 173 transitions. Word has length 31 [2018-02-04 03:32:25,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:25,731 INFO L432 AbstractCegarLoop]: Abstraction has 151 states and 173 transitions. [2018-02-04 03:32:25,731 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:32:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 173 transitions. [2018-02-04 03:32:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:32:25,732 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:25,732 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 03:32:25,732 INFO L371 AbstractCegarLoop]: === Iteration 15 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:25,732 INFO L82 PathProgramCache]: Analyzing trace with hash -638053953, now seen corresponding path program 1 times [2018-02-04 03:32:25,732 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:25,740 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:25,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,769 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:25,769 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:25,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,770 INFO L182 omatonBuilderFactory]: Interpolants [5072#true, 5073#false, 5074#(= 1 (select |#valid| |main_#t~malloc23.base|)), 5075#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 5076#(= 1 (select |#valid| |main_#t~mem25.base|))] [2018-02-04 03:32:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:25,770 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:25,770 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:25,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:25,771 INFO L87 Difference]: Start difference. First operand 151 states and 173 transitions. Second operand 5 states. [2018-02-04 03:32:25,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:25,933 INFO L93 Difference]: Finished difference Result 258 states and 295 transitions. [2018-02-04 03:32:25,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:32:25,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-02-04 03:32:25,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:25,934 INFO L225 Difference]: With dead ends: 258 [2018-02-04 03:32:25,934 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 03:32:25,935 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:25,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 03:32:25,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 150. [2018-02-04 03:32:25,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-02-04 03:32:25,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 172 transitions. [2018-02-04 03:32:25,938 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 172 transitions. Word has length 33 [2018-02-04 03:32:25,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:25,938 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 172 transitions. [2018-02-04 03:32:25,966 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:25,966 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 172 transitions. [2018-02-04 03:32:25,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-02-04 03:32:25,966 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:25,966 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 03:32:25,967 INFO L371 AbstractCegarLoop]: === Iteration 16 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:25,967 INFO L82 PathProgramCache]: Analyzing trace with hash -638053952, now seen corresponding path program 1 times [2018-02-04 03:32:25,967 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:25,978 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,020 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:26,020 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 03:32:26,020 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,020 INFO L182 omatonBuilderFactory]: Interpolants [5492#true, 5493#false, 5494#(and (= 16 (select |#length| |main_#t~malloc23.base|)) (= 0 |main_#t~malloc23.offset|)), 5495#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 5496#(and (= |main_#t~mem25.offset| 0) (= (select |#length| |main_#t~mem25.base|) 16))] [2018-02-04 03:32:26,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,021 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:26,021 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:26,021 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:26,021 INFO L87 Difference]: Start difference. First operand 150 states and 172 transitions. Second operand 5 states. [2018-02-04 03:32:26,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:26,157 INFO L93 Difference]: Finished difference Result 258 states and 298 transitions. [2018-02-04 03:32:26,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-04 03:32:26,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2018-02-04 03:32:26,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:26,158 INFO L225 Difference]: With dead ends: 258 [2018-02-04 03:32:26,158 INFO L226 Difference]: Without dead ends: 258 [2018-02-04 03:32:26,158 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:26,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-02-04 03:32:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 149. [2018-02-04 03:32:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-02-04 03:32:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 171 transitions. [2018-02-04 03:32:26,160 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 171 transitions. Word has length 33 [2018-02-04 03:32:26,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:26,160 INFO L432 AbstractCegarLoop]: Abstraction has 149 states and 171 transitions. [2018-02-04 03:32:26,160 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:26,161 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 171 transitions. [2018-02-04 03:32:26,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:32:26,161 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:26,161 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] [2018-02-04 03:32:26,161 INFO L371 AbstractCegarLoop]: === Iteration 17 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:26,161 INFO L82 PathProgramCache]: Analyzing trace with hash 851008324, now seen corresponding path program 1 times [2018-02-04 03:32:26,162 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:26,167 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:26,228 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 03:32:26,229 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:26,229 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:32:26,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:26,229 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 03:32:26,229 INFO L182 omatonBuilderFactory]: Interpolants [5910#true, 5911#false, 5912#(= (select |#valid| main_~head~0.base) 1), 5913#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|))), 5914#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 5915#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem7.base|))), 5916#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 5917#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 5918#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:32:26,229 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 03:32:26,229 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:32:26,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:32:26,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:26,230 INFO L87 Difference]: Start difference. First operand 149 states and 171 transitions. Second operand 9 states. [2018-02-04 03:32:26,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:26,779 INFO L93 Difference]: Finished difference Result 411 states and 467 transitions. [2018-02-04 03:32:26,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:32:26,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 34 [2018-02-04 03:32:26,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:26,782 INFO L225 Difference]: With dead ends: 411 [2018-02-04 03:32:26,782 INFO L226 Difference]: Without dead ends: 411 [2018-02-04 03:32:26,782 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:32:26,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-02-04 03:32:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 165. [2018-02-04 03:32:26,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-04 03:32:26,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 191 transitions. [2018-02-04 03:32:26,785 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 191 transitions. Word has length 34 [2018-02-04 03:32:26,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:26,785 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 191 transitions. [2018-02-04 03:32:26,785 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:32:26,785 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 191 transitions. [2018-02-04 03:32:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-02-04 03:32:26,785 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:26,786 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] [2018-02-04 03:32:26,786 INFO L371 AbstractCegarLoop]: === Iteration 18 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:26,786 INFO L82 PathProgramCache]: Analyzing trace with hash 851008325, now seen corresponding path program 1 times [2018-02-04 03:32:26,786 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:26,796 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,947 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:26,947 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:32:26,947 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:26,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,948 INFO L182 omatonBuilderFactory]: Interpolants [6528#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 16 (select |#length| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 6529#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 6530#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))))), 6531#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 6532#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 6533#(and (= |main_#t~mem35.offset| 0) (= 16 (select |#length| |main_#t~mem35.base|))), 6523#true, 6524#false, 6525#(= 0 |main_#t~malloc0.offset|), 6526#(= main_~head~0.offset 0), 6527#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0))] [2018-02-04 03:32:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:26,948 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:32:26,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:32:26,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:32:26,948 INFO L87 Difference]: Start difference. First operand 165 states and 191 transitions. Second operand 11 states. [2018-02-04 03:32:27,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:27,456 INFO L93 Difference]: Finished difference Result 317 states and 361 transitions. [2018-02-04 03:32:27,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:32:27,456 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 34 [2018-02-04 03:32:27,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:27,457 INFO L225 Difference]: With dead ends: 317 [2018-02-04 03:32:27,457 INFO L226 Difference]: Without dead ends: 317 [2018-02-04 03:32:27,457 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:27,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-02-04 03:32:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 165. [2018-02-04 03:32:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-02-04 03:32:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2018-02-04 03:32:27,461 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 34 [2018-02-04 03:32:27,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:27,461 INFO L432 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2018-02-04 03:32:27,461 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:32:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2018-02-04 03:32:27,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-02-04 03:32:27,462 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:27,462 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] [2018-02-04 03:32:27,462 INFO L371 AbstractCegarLoop]: === Iteration 19 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:27,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1753433128, now seen corresponding path program 1 times [2018-02-04 03:32:27,463 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:27,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,487 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:27,487 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-04 03:32:27,487 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:27,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,488 INFO L182 omatonBuilderFactory]: Interpolants [7040#(not |main_#t~short39|), 7036#true, 7037#false, 7038#(not |main_#t~short34|), 7039#(not |main_#t~short37|)] [2018-02-04 03:32:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,488 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 03:32:27,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 03:32:27,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:32:27,488 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 5 states. [2018-02-04 03:32:27,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:27,514 INFO L93 Difference]: Finished difference Result 189 states and 214 transitions. [2018-02-04 03:32:27,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:32:27,514 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2018-02-04 03:32:27,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:27,515 INFO L225 Difference]: With dead ends: 189 [2018-02-04 03:32:27,515 INFO L226 Difference]: Without dead ends: 189 [2018-02-04 03:32:27,515 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:27,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-02-04 03:32:27,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 169. [2018-02-04 03:32:27,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-02-04 03:32:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 194 transitions. [2018-02-04 03:32:27,518 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 194 transitions. Word has length 37 [2018-02-04 03:32:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:27,518 INFO L432 AbstractCegarLoop]: Abstraction has 169 states and 194 transitions. [2018-02-04 03:32:27,518 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 03:32:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 194 transitions. [2018-02-04 03:32:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-02-04 03:32:27,519 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:27,519 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] [2018-02-04 03:32:27,519 INFO L371 AbstractCegarLoop]: === Iteration 20 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:27,519 INFO L82 PathProgramCache]: Analyzing trace with hash -110193443, now seen corresponding path program 1 times [2018-02-04 03:32:27,520 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:27,527 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,610 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:27,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-02-04 03:32:27,610 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,610 INFO L182 omatonBuilderFactory]: Interpolants [7408#(and (= 0 (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))), 7409#(and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)), 7410#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 7405#true, 7406#false, 7407#(and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 4) 0) main_~head~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 4) 0) main_~head~0.offset)))] [2018-02-04 03:32:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:27,611 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:32:27,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:32:27,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:32:27,611 INFO L87 Difference]: Start difference. First operand 169 states and 194 transitions. Second operand 6 states. [2018-02-04 03:32:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:27,780 INFO L93 Difference]: Finished difference Result 206 states and 233 transitions. [2018-02-04 03:32:27,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:32:27,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2018-02-04 03:32:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:27,781 INFO L225 Difference]: With dead ends: 206 [2018-02-04 03:32:27,781 INFO L226 Difference]: Without dead ends: 206 [2018-02-04 03:32:27,782 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-02-04 03:32:27,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 184. [2018-02-04 03:32:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-02-04 03:32:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 210 transitions. [2018-02-04 03:32:27,784 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 210 transitions. Word has length 39 [2018-02-04 03:32:27,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:27,784 INFO L432 AbstractCegarLoop]: Abstraction has 184 states and 210 transitions. [2018-02-04 03:32:27,784 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:32:27,784 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 210 transitions. [2018-02-04 03:32:27,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:32:27,785 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:27,785 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:27,785 INFO L371 AbstractCegarLoop]: === Iteration 21 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:27,785 INFO L82 PathProgramCache]: Analyzing trace with hash 706151641, now seen corresponding path program 1 times [2018-02-04 03:32:27,786 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:27,795 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:27,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:27,868 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:27,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 03:32:27,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:27,869 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 03:32:27,869 INFO L182 omatonBuilderFactory]: Interpolants [7808#false, 7809#(= 0 |main_#t~malloc0.offset|), 7810#(= main_~head~0.offset 0), 7811#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 7812#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 7813#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))), 7814#(= 0 |main_#t~mem43.offset|), 7807#true] [2018-02-04 03:32:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:27,869 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:32:27,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:32:27,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:32:27,870 INFO L87 Difference]: Start difference. First operand 184 states and 210 transitions. Second operand 8 states. [2018-02-04 03:32:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:28,011 INFO L93 Difference]: Finished difference Result 229 states and 258 transitions. [2018-02-04 03:32:28,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 03:32:28,012 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 46 [2018-02-04 03:32:28,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:28,012 INFO L225 Difference]: With dead ends: 229 [2018-02-04 03:32:28,012 INFO L226 Difference]: Without dead ends: 229 [2018-02-04 03:32:28,013 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:32:28,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-02-04 03:32:28,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 205. [2018-02-04 03:32:28,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-02-04 03:32:28,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 233 transitions. [2018-02-04 03:32:28,015 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 233 transitions. Word has length 46 [2018-02-04 03:32:28,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:28,015 INFO L432 AbstractCegarLoop]: Abstraction has 205 states and 233 transitions. [2018-02-04 03:32:28,015 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:32:28,015 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 233 transitions. [2018-02-04 03:32:28,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-02-04 03:32:28,015 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:28,016 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:28,016 INFO L371 AbstractCegarLoop]: === Iteration 22 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:28,016 INFO L82 PathProgramCache]: Analyzing trace with hash 706151642, now seen corresponding path program 1 times [2018-02-04 03:32:28,016 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:28,021 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:28,195 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:28,195 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:32:28,195 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:28,196 INFO L182 omatonBuilderFactory]: Interpolants [8259#true, 8260#false, 8261#(= 0 |main_#t~malloc0.offset|), 8262#(= main_~head~0.offset 0), 8263#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 8264#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= |main_#t~mem32| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0)), 8265#(and (or (and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base)) |main_#t~short34|) (= main_~head~0.offset 0)), 8266#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 8267#(and (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0)), 8268#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset)), 8269#(not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 8270#(not (= 2 |main_#t~mem42|))] [2018-02-04 03:32:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:28,196 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:32:28,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:32:28,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:32:28,197 INFO L87 Difference]: Start difference. First operand 205 states and 233 transitions. Second operand 12 states. [2018-02-04 03:32:28,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:28,451 INFO L93 Difference]: Finished difference Result 284 states and 309 transitions. [2018-02-04 03:32:28,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:32:28,452 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 46 [2018-02-04 03:32:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:28,452 INFO L225 Difference]: With dead ends: 284 [2018-02-04 03:32:28,453 INFO L226 Difference]: Without dead ends: 284 [2018-02-04 03:32:28,453 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:32:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-02-04 03:32:28,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 233. [2018-02-04 03:32:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-02-04 03:32:28,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 271 transitions. [2018-02-04 03:32:28,455 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 271 transitions. Word has length 46 [2018-02-04 03:32:28,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:28,455 INFO L432 AbstractCegarLoop]: Abstraction has 233 states and 271 transitions. [2018-02-04 03:32:28,455 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:32:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 271 transitions. [2018-02-04 03:32:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:32:28,456 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:28,456 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] [2018-02-04 03:32:28,456 INFO L371 AbstractCegarLoop]: === Iteration 23 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:28,456 INFO L82 PathProgramCache]: Analyzing trace with hash -28017197, now seen corresponding path program 1 times [2018-02-04 03:32:28,456 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:28,469 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:28,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:28,763 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:28,763 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:32:28,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:28,763 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 03:32:28,763 INFO L182 omatonBuilderFactory]: Interpolants [8808#true, 8809#false, 8810#(= 0 |main_#t~malloc0.offset|), 8811#(= main_~head~0.offset 0), 8812#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 8813#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 8814#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 8815#(and (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 8816#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 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 8)))), 8817#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 8818#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem19.base|))), 8819#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base)) (not (= main_~x~0.base main_~head~0.base))), 8820#(and (= 1 (select |#valid| main_~head~0.base)) (= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))), 8821#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~head~0.base))), 8822#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 8823#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 8824#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 8825#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:32:28,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:28,764 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:32:28,764 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:32:28,764 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=251, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:32:28,764 INFO L87 Difference]: Start difference. First operand 233 states and 271 transitions. Second operand 18 states. [2018-02-04 03:32:29,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:29,457 INFO L93 Difference]: Finished difference Result 431 states and 493 transitions. [2018-02-04 03:32:29,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:32:29,457 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-02-04 03:32:29,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:29,458 INFO L225 Difference]: With dead ends: 431 [2018-02-04 03:32:29,459 INFO L226 Difference]: Without dead ends: 431 [2018-02-04 03:32:29,459 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=328, Invalid=1004, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:32:29,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-02-04 03:32:29,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 264. [2018-02-04 03:32:29,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-02-04 03:32:29,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 308 transitions. [2018-02-04 03:32:29,462 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 308 transitions. Word has length 47 [2018-02-04 03:32:29,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:29,462 INFO L432 AbstractCegarLoop]: Abstraction has 264 states and 308 transitions. [2018-02-04 03:32:29,462 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:32:29,462 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 308 transitions. [2018-02-04 03:32:29,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-02-04 03:32:29,462 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:29,462 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] [2018-02-04 03:32:29,462 INFO L371 AbstractCegarLoop]: === Iteration 24 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:29,463 INFO L82 PathProgramCache]: Analyzing trace with hash -28017196, now seen corresponding path program 1 times [2018-02-04 03:32:29,463 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:29,472 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:30,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:30,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:30,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:32:30,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:30,072 INFO L182 omatonBuilderFactory]: Interpolants [9568#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9569#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 9570#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 9571#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 9572#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 9573#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 9574#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= main_~x~0.offset 0) (= |main_#t~mem33.base| main_~x~0.base)), 9575#(and (= main_~x~0.offset 0) (not |main_#t~short34|)), 9576#(and (not |main_#t~short37|) (= main_~x~0.offset 0)), 9559#true, 9560#false, 9561#(= 0 |main_#t~malloc0.offset|), 9562#(= main_~head~0.offset 0), 9563#(and (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 9564#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 9565#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) (= 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)), 9566#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 9567#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (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 1)) (= 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 8))) (= main_~head~0.offset 0))] [2018-02-04 03:32:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:30,072 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:32:30,073 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:32:30,073 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:32:30,073 INFO L87 Difference]: Start difference. First operand 264 states and 308 transitions. Second operand 18 states. [2018-02-04 03:32:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:31,055 INFO L93 Difference]: Finished difference Result 413 states and 470 transitions. [2018-02-04 03:32:31,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:32:31,099 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 47 [2018-02-04 03:32:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:31,100 INFO L225 Difference]: With dead ends: 413 [2018-02-04 03:32:31,100 INFO L226 Difference]: Without dead ends: 413 [2018-02-04 03:32:31,101 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=394, Invalid=1246, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:32:31,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-02-04 03:32:31,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 262. [2018-02-04 03:32:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-02-04 03:32:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 304 transitions. [2018-02-04 03:32:31,104 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 304 transitions. Word has length 47 [2018-02-04 03:32:31,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:31,104 INFO L432 AbstractCegarLoop]: Abstraction has 262 states and 304 transitions. [2018-02-04 03:32:31,104 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:32:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 304 transitions. [2018-02-04 03:32:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-02-04 03:32:31,104 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:31,104 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:31,104 INFO L371 AbstractCegarLoop]: === Iteration 25 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash 15490117, now seen corresponding path program 1 times [2018-02-04 03:32:31,105 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:31,111 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:31,175 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:31,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:32:31,175 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:31,176 INFO L182 omatonBuilderFactory]: Interpolants [10304#(and (= 0 (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))), 10305#(and (= 0 |main_#t~mem41.offset|) (= 0 |main_#t~mem41.base|)), 10306#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 10298#true, 10299#false, 10300#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 10301#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem40.offset|) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem40.base|)), 10302#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 10303#(and (= 0 (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)))] [2018-02-04 03:32:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:31,176 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:32:31,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:32:31,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:31,176 INFO L87 Difference]: Start difference. First operand 262 states and 304 transitions. Second operand 9 states. [2018-02-04 03:32:31,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:31,448 INFO L93 Difference]: Finished difference Result 358 states and 414 transitions. [2018-02-04 03:32:31,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:32:31,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 48 [2018-02-04 03:32:31,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:31,449 INFO L225 Difference]: With dead ends: 358 [2018-02-04 03:32:31,449 INFO L226 Difference]: Without dead ends: 358 [2018-02-04 03:32:31,449 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:32:31,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-02-04 03:32:31,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 289. [2018-02-04 03:32:31,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-02-04 03:32:31,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 337 transitions. [2018-02-04 03:32:31,451 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 337 transitions. Word has length 48 [2018-02-04 03:32:31,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:31,451 INFO L432 AbstractCegarLoop]: Abstraction has 289 states and 337 transitions. [2018-02-04 03:32:31,451 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:32:31,451 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 337 transitions. [2018-02-04 03:32:31,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-02-04 03:32:31,452 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:31,452 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] [2018-02-04 03:32:31,452 INFO L371 AbstractCegarLoop]: === Iteration 26 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash 480192711, now seen corresponding path program 1 times [2018-02-04 03:32:31,452 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:31,459 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:31,522 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:31,522 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-02-04 03:32:31,522 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:31,523 INFO L182 omatonBuilderFactory]: Interpolants [10965#true, 10966#false, 10967#(= |#valid| |old(#valid)|), 10968#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 10969#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 10970#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|))] [2018-02-04 03:32:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:31,523 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-04 03:32:31,523 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-04 03:32:31,523 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-04 03:32:31,523 INFO L87 Difference]: Start difference. First operand 289 states and 337 transitions. Second operand 6 states. [2018-02-04 03:32:31,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:31,686 INFO L93 Difference]: Finished difference Result 313 states and 360 transitions. [2018-02-04 03:32:31,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:32:31,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2018-02-04 03:32:31,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:31,687 INFO L225 Difference]: With dead ends: 313 [2018-02-04 03:32:31,687 INFO L226 Difference]: Without dead ends: 280 [2018-02-04 03:32:31,687 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:32:31,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-02-04 03:32:31,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2018-02-04 03:32:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2018-02-04 03:32:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 326 transitions. [2018-02-04 03:32:31,689 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 326 transitions. Word has length 49 [2018-02-04 03:32:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:31,690 INFO L432 AbstractCegarLoop]: Abstraction has 280 states and 326 transitions. [2018-02-04 03:32:31,690 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-04 03:32:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 326 transitions. [2018-02-04 03:32:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:32:31,690 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:31,690 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] [2018-02-04 03:32:31,690 INFO L371 AbstractCegarLoop]: === Iteration 27 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:31,690 INFO L82 PathProgramCache]: Analyzing trace with hash -494189575, now seen corresponding path program 1 times [2018-02-04 03:32:31,691 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:31,711 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:32,024 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:32,024 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:32:32,024 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:32,024 INFO L182 omatonBuilderFactory]: Interpolants [11584#(and (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))))), 11585#(= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))), 11586#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 11587#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 11588#(= 1 (select |#valid| |main_#t~mem35.base|)), 11570#true, 11571#false, 11572#(= 0 |main_#t~malloc0.offset|), 11573#(= main_~head~0.offset 0), 11574#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 11575#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 11576#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 11577#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 11578#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 11579#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 11580#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 11581#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (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)), 11582#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))))), 11583#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-02-04 03:32:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:32,025 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:32:32,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:32:32,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:32:32,025 INFO L87 Difference]: Start difference. First operand 280 states and 326 transitions. Second operand 19 states. [2018-02-04 03:32:33,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:33,199 INFO L93 Difference]: Finished difference Result 739 states and 859 transitions. [2018-02-04 03:32:33,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:32:33,199 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 50 [2018-02-04 03:32:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:33,200 INFO L225 Difference]: With dead ends: 739 [2018-02-04 03:32:33,200 INFO L226 Difference]: Without dead ends: 739 [2018-02-04 03:32:33,201 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=622, Invalid=2030, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:32:33,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-02-04 03:32:33,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 311. [2018-02-04 03:32:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-02-04 03:32:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 363 transitions. [2018-02-04 03:32:33,204 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 363 transitions. Word has length 50 [2018-02-04 03:32:33,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:33,204 INFO L432 AbstractCegarLoop]: Abstraction has 311 states and 363 transitions. [2018-02-04 03:32:33,205 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:32:33,205 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 363 transitions. [2018-02-04 03:32:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:32:33,205 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:33,205 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] [2018-02-04 03:32:33,205 INFO L371 AbstractCegarLoop]: === Iteration 28 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:33,205 INFO L82 PathProgramCache]: Analyzing trace with hash -494189574, now seen corresponding path program 1 times [2018-02-04 03:32:33,206 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:33,220 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:33,763 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:33,764 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-02-04 03:32:33,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:33,764 INFO L182 omatonBuilderFactory]: Interpolants [12705#true, 12706#false, 12707#(= 0 |main_#t~malloc0.offset|), 12708#(= main_~head~0.offset 0), 12709#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 12710#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 16 (select |#length| |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 12711#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 12712#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 12713#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 12714#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 12715#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 12716#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 12717#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 12718#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|))), 12719#(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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))), 12720#(and (= 16 (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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8)))), 12721#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 12722#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 12723#(and (= |main_#t~mem35.offset| 0) (= (select |#length| |main_#t~mem35.base|) 16))] [2018-02-04 03:32:33,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:33,765 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:32:33,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:32:33,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:32:33,765 INFO L87 Difference]: Start difference. First operand 311 states and 363 transitions. Second operand 19 states. [2018-02-04 03:32:35,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:35,072 INFO L93 Difference]: Finished difference Result 589 states and 690 transitions. [2018-02-04 03:32:35,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:32:35,072 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 50 [2018-02-04 03:32:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:35,073 INFO L225 Difference]: With dead ends: 589 [2018-02-04 03:32:35,073 INFO L226 Difference]: Without dead ends: 589 [2018-02-04 03:32:35,074 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=267, Invalid=855, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:32:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2018-02-04 03:32:35,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 311. [2018-02-04 03:32:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-02-04 03:32:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 362 transitions. [2018-02-04 03:32:35,076 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 362 transitions. Word has length 50 [2018-02-04 03:32:35,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:35,077 INFO L432 AbstractCegarLoop]: Abstraction has 311 states and 362 transitions. [2018-02-04 03:32:35,077 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:32:35,077 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 362 transitions. [2018-02-04 03:32:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:32:35,077 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:35,077 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] [2018-02-04 03:32:35,077 INFO L371 AbstractCegarLoop]: === Iteration 29 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:35,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1158321939, now seen corresponding path program 1 times [2018-02-04 03:32:35,078 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:35,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:35,396 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:35,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:32:35,396 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:35,397 INFO L182 omatonBuilderFactory]: Interpolants [13664#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 13665#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 13666#(and (= 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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|))), 13667#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 13668#(= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))), 13669#(= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))), 13670#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))), 13671#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 13672#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 13673#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 13674#(= 1 (select |#valid| |main_#t~mem35.base|)), 13654#true, 13655#false, 13656#(= 0 |main_#t~malloc0.offset|), 13657#(= main_~head~0.offset 0), 13658#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 13659#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 13660#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 13661#(and (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 13662#(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 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 13663#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:32:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:35,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:32:35,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:32:35,397 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:35,397 INFO L87 Difference]: Start difference. First operand 311 states and 362 transitions. Second operand 21 states. [2018-02-04 03:32:36,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:36,231 INFO L93 Difference]: Finished difference Result 507 states and 588 transitions. [2018-02-04 03:32:36,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:32:36,232 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 50 [2018-02-04 03:32:36,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:36,232 INFO L225 Difference]: With dead ends: 507 [2018-02-04 03:32:36,233 INFO L226 Difference]: Without dead ends: 507 [2018-02-04 03:32:36,233 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=385, Invalid=1421, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:32:36,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-02-04 03:32:36,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 333. [2018-02-04 03:32:36,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-02-04 03:32:36,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 388 transitions. [2018-02-04 03:32:36,237 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 388 transitions. Word has length 50 [2018-02-04 03:32:36,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:36,237 INFO L432 AbstractCegarLoop]: Abstraction has 333 states and 388 transitions. [2018-02-04 03:32:36,237 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:32:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 388 transitions. [2018-02-04 03:32:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-02-04 03:32:36,238 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:36,238 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] [2018-02-04 03:32:36,238 INFO L371 AbstractCegarLoop]: === Iteration 30 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:36,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1158321940, now seen corresponding path program 1 times [2018-02-04 03:32:36,239 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:36,252 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:36,783 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:36,783 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:32:36,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:36,783 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 03:32:36,783 INFO L182 omatonBuilderFactory]: Interpolants [14560#false, 14561#(= 0 |main_#t~malloc0.offset|), 14562#(= main_~head~0.offset 0), 14563#(and (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 14564#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 14565#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 14566#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 14567#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (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 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 14568#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 14569#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 14570#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 14571#(and (= 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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|))), 14572#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 14573#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 14574#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 14575#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 14576#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= |main_#t~mem33.base| main_~x~0.base)), 14577#(not |main_#t~short34|), 14578#(not |main_#t~short37|), 14559#true] [2018-02-04 03:32:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:36,784 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:32:36,784 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:32:36,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:32:36,784 INFO L87 Difference]: Start difference. First operand 333 states and 388 transitions. Second operand 20 states. [2018-02-04 03:32:38,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:38,102 INFO L93 Difference]: Finished difference Result 526 states and 607 transitions. [2018-02-04 03:32:38,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:32:38,102 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 50 [2018-02-04 03:32:38,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:38,103 INFO L225 Difference]: With dead ends: 526 [2018-02-04 03:32:38,103 INFO L226 Difference]: Without dead ends: 526 [2018-02-04 03:32:38,104 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=444, Invalid=2312, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:32:38,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-02-04 03:32:38,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 317. [2018-02-04 03:32:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-02-04 03:32:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2018-02-04 03:32:38,107 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 50 [2018-02-04 03:32:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:38,107 INFO L432 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2018-02-04 03:32:38,107 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:32:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2018-02-04 03:32:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-02-04 03:32:38,107 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:38,107 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:38,108 INFO L371 AbstractCegarLoop]: === Iteration 31 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:38,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1162242870, now seen corresponding path program 1 times [2018-02-04 03:32:38,108 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:38,113 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:38,230 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:38,230 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-02-04 03:32:38,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:38,230 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 03:32:38,230 INFO L182 omatonBuilderFactory]: Interpolants [15488#true, 15489#false, 15490#(= 0 |main_#t~malloc0.offset|), 15491#(= main_~head~0.offset 0), 15492#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 15493#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 15494#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 15495#(and (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 15496#(and (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))))), 15497#(and (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~mem38.base|))), 15498#(not |main_#t~short39|)] [2018-02-04 03:32:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:38,230 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:32:38,231 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:32:38,231 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:32:38,231 INFO L87 Difference]: Start difference. First operand 317 states and 368 transitions. Second operand 11 states. [2018-02-04 03:32:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:38,547 INFO L93 Difference]: Finished difference Result 465 states and 540 transitions. [2018-02-04 03:32:38,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:32:38,547 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 51 [2018-02-04 03:32:38,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:38,548 INFO L225 Difference]: With dead ends: 465 [2018-02-04 03:32:38,548 INFO L226 Difference]: Without dead ends: 453 [2018-02-04 03:32:38,549 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:32:38,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-02-04 03:32:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 301. [2018-02-04 03:32:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-02-04 03:32:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 349 transitions. [2018-02-04 03:32:38,551 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 349 transitions. Word has length 51 [2018-02-04 03:32:38,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:38,551 INFO L432 AbstractCegarLoop]: Abstraction has 301 states and 349 transitions. [2018-02-04 03:32:38,551 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:32:38,551 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 349 transitions. [2018-02-04 03:32:38,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:32:38,552 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:38,552 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:38,552 INFO L371 AbstractCegarLoop]: === Iteration 32 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:38,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1936775147, now seen corresponding path program 1 times [2018-02-04 03:32:38,552 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:38,558 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:38,684 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:38,684 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:32:38,684 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:38,685 INFO L182 omatonBuilderFactory]: Interpolants [16291#true, 16292#false, 16293#(= 0 |main_#t~malloc0.offset|), 16294#(= main_~head~0.offset 0), 16295#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 16296#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 16297#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 16298#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 16299#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 16300#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 16301#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 16302#(= 0 |main_#t~mem43.offset|)] [2018-02-04 03:32:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:38,685 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:32:38,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:32:38,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:32:38,685 INFO L87 Difference]: Start difference. First operand 301 states and 349 transitions. Second operand 12 states. [2018-02-04 03:32:39,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:39,074 INFO L93 Difference]: Finished difference Result 453 states and 527 transitions. [2018-02-04 03:32:39,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:32:39,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-02-04 03:32:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:39,075 INFO L225 Difference]: With dead ends: 453 [2018-02-04 03:32:39,075 INFO L226 Difference]: Without dead ends: 453 [2018-02-04 03:32:39,075 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=467, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:32:39,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-02-04 03:32:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 310. [2018-02-04 03:32:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 03:32:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 360 transitions. [2018-02-04 03:32:39,079 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 360 transitions. Word has length 52 [2018-02-04 03:32:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:39,079 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 360 transitions. [2018-02-04 03:32:39,079 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:32:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 360 transitions. [2018-02-04 03:32:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-02-04 03:32:39,080 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:39,080 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:39,080 INFO L371 AbstractCegarLoop]: === Iteration 33 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:39,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1936775148, now seen corresponding path program 1 times [2018-02-04 03:32:39,080 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:39,085 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,218 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:39,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:32:39,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,219 INFO L182 omatonBuilderFactory]: Interpolants [17104#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 17105#(= 1 (select |#valid| |main_#t~mem43.base|)), 17094#true, 17095#false, 17096#(= 0 |main_#t~malloc0.offset|), 17097#(= main_~head~0.offset 0), 17098#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 17099#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 17100#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17101#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 17102#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17103#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:32:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:32:39,219 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:32:39,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:32:39,219 INFO L87 Difference]: Start difference. First operand 310 states and 360 transitions. Second operand 12 states. [2018-02-04 03:32:39,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:39,597 INFO L93 Difference]: Finished difference Result 451 states and 525 transitions. [2018-02-04 03:32:39,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:32:39,598 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 52 [2018-02-04 03:32:39,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:39,599 INFO L225 Difference]: With dead ends: 451 [2018-02-04 03:32:39,599 INFO L226 Difference]: Without dead ends: 451 [2018-02-04 03:32:39,599 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:32:39,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2018-02-04 03:32:39,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 310. [2018-02-04 03:32:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-02-04 03:32:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 359 transitions. [2018-02-04 03:32:39,602 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 359 transitions. Word has length 52 [2018-02-04 03:32:39,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:39,602 INFO L432 AbstractCegarLoop]: Abstraction has 310 states and 359 transitions. [2018-02-04 03:32:39,602 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:32:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 359 transitions. [2018-02-04 03:32:39,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:32:39,602 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:39,602 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] [2018-02-04 03:32:39,602 INFO L371 AbstractCegarLoop]: === Iteration 34 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:39,602 INFO L82 PathProgramCache]: Analyzing trace with hash -953723091, now seen corresponding path program 1 times [2018-02-04 03:32:39,603 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:39,626 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,982 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:39,982 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:32:39,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,982 INFO L182 omatonBuilderFactory]: Interpolants [17891#true, 17892#false, 17893#(= 0 |main_#t~malloc0.offset|), 17894#(= main_~head~0.offset 0), 17895#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 17896#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 17897#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 17898#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 17899#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17900#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 17901#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 17902#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (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) (= (select |#valid| main_~x~0.base) 1)), 17903#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))))), 17904#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17905#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))))), 17906#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc23.base|))), 17907#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 17908#(= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 17909#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 17910#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 17911#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:32:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:39,982 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:32:39,983 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:32:39,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:39,983 INFO L87 Difference]: Start difference. First operand 310 states and 359 transitions. Second operand 21 states. [2018-02-04 03:32:41,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:41,732 INFO L93 Difference]: Finished difference Result 868 states and 1014 transitions. [2018-02-04 03:32:41,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:32:41,732 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-02-04 03:32:41,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:41,733 INFO L225 Difference]: With dead ends: 868 [2018-02-04 03:32:41,734 INFO L226 Difference]: Without dead ends: 868 [2018-02-04 03:32:41,734 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=844, Invalid=3316, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:32:41,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2018-02-04 03:32:41,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 332. [2018-02-04 03:32:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-02-04 03:32:41,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 385 transitions. [2018-02-04 03:32:41,738 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 385 transitions. Word has length 53 [2018-02-04 03:32:41,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:41,738 INFO L432 AbstractCegarLoop]: Abstraction has 332 states and 385 transitions. [2018-02-04 03:32:41,738 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:32:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 385 transitions. [2018-02-04 03:32:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-02-04 03:32:41,738 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:41,739 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] [2018-02-04 03:32:41,739 INFO L371 AbstractCegarLoop]: === Iteration 35 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:41,739 INFO L82 PathProgramCache]: Analyzing trace with hash -953723090, now seen corresponding path program 1 times [2018-02-04 03:32:41,739 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:41,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:42,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:42,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:42,258 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:32:42,258 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:42,258 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 03:32:42,258 INFO L182 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(= 0 |main_#t~malloc0.offset|), 19203#(= main_~head~0.offset 0), 19204#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19205#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 16 (select |#length| |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 19206#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19207#(and (= 16 (select |#length| |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 19208#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 19209#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 19210#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 19211#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 19212#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 19213#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 19214#(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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 19215#(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 8) |main_#t~malloc23.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= 16 (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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))))), 19216#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 19217#(and (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 19218#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 19219#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 19220#(and (= |main_#t~mem35.offset| 0) (= (select |#length| |main_#t~mem35.base|) 16))] [2018-02-04 03:32:42,258 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:42,259 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:32:42,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:32:42,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:42,259 INFO L87 Difference]: Start difference. First operand 332 states and 385 transitions. Second operand 21 states. [2018-02-04 03:32:43,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:43,832 INFO L93 Difference]: Finished difference Result 712 states and 833 transitions. [2018-02-04 03:32:43,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:32:43,833 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 53 [2018-02-04 03:32:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:43,834 INFO L225 Difference]: With dead ends: 712 [2018-02-04 03:32:43,834 INFO L226 Difference]: Without dead ends: 712 [2018-02-04 03:32:43,835 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=491, Invalid=1671, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:32:43,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2018-02-04 03:32:43,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 316. [2018-02-04 03:32:43,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-02-04 03:32:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 365 transitions. [2018-02-04 03:32:43,838 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 365 transitions. Word has length 53 [2018-02-04 03:32:43,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:43,838 INFO L432 AbstractCegarLoop]: Abstraction has 316 states and 365 transitions. [2018-02-04 03:32:43,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:32:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 365 transitions. [2018-02-04 03:32:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-02-04 03:32:43,838 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:43,838 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:43,838 INFO L371 AbstractCegarLoop]: === Iteration 36 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1520083152, now seen corresponding path program 1 times [2018-02-04 03:32:43,839 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:43,844 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:43,942 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:32:43,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-02-04 03:32:43,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:43,943 INFO L182 omatonBuilderFactory]: Interpolants [20304#(= main_~head~0.offset 0), 20305#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 20306#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 20307#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 20308#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 20309#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 20310#(= 1 (select (store |#valid| |main_#t~mem43.base| 0) main_~head~0.base)), 20311#(= 1 (select |#valid| main_~head~0.base)), 20301#true, 20302#false, 20303#(= 0 |main_#t~malloc0.offset|)] [2018-02-04 03:32:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:32:43,943 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:32:43,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:32:43,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:32:43,943 INFO L87 Difference]: Start difference. First operand 316 states and 365 transitions. Second operand 11 states. [2018-02-04 03:32:44,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:44,189 INFO L93 Difference]: Finished difference Result 452 states and 526 transitions. [2018-02-04 03:32:44,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:32:44,189 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2018-02-04 03:32:44,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:44,191 INFO L225 Difference]: With dead ends: 452 [2018-02-04 03:32:44,191 INFO L226 Difference]: Without dead ends: 452 [2018-02-04 03:32:44,191 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:32:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2018-02-04 03:32:44,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 317. [2018-02-04 03:32:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-02-04 03:32:44,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 366 transitions. [2018-02-04 03:32:44,195 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 366 transitions. Word has length 54 [2018-02-04 03:32:44,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:44,196 INFO L432 AbstractCegarLoop]: Abstraction has 317 states and 366 transitions. [2018-02-04 03:32:44,196 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:32:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 366 transitions. [2018-02-04 03:32:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:32:44,196 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:44,197 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] [2018-02-04 03:32:44,197 INFO L371 AbstractCegarLoop]: === Iteration 37 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:44,197 INFO L82 PathProgramCache]: Analyzing trace with hash 144221301, now seen corresponding path program 1 times [2018-02-04 03:32:44,197 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:44,205 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,356 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:44,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:32:44,357 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,357 INFO L182 omatonBuilderFactory]: Interpolants [21104#false, 21105#(= 0 |main_#t~malloc0.offset|), 21106#(= main_~head~0.offset 0), 21107#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 21108#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) |main_#t~mem32|) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 21109#(and (= main_~head~0.offset main_~x~0.offset) (or (and (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short34|)) (= main_~head~0.offset 0)), 21110#(and (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 21111#(and (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 21112#(and (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 21113#(and (= main_~head~0.offset 0) (= 2 |main_#t~mem42|)), 21103#true] [2018-02-04 03:32:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,357 INFO L409 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-02-04 03:32:44,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-02-04 03:32:44,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-02-04 03:32:44,358 INFO L87 Difference]: Start difference. First operand 317 states and 366 transitions. Second operand 11 states. [2018-02-04 03:32:44,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:44,649 INFO L93 Difference]: Finished difference Result 338 states and 371 transitions. [2018-02-04 03:32:44,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-02-04 03:32:44,649 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2018-02-04 03:32:44,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:44,650 INFO L225 Difference]: With dead ends: 338 [2018-02-04 03:32:44,650 INFO L226 Difference]: Without dead ends: 338 [2018-02-04 03:32:44,650 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:32:44,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-02-04 03:32:44,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 317. [2018-02-04 03:32:44,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-02-04 03:32:44,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 363 transitions. [2018-02-04 03:32:44,652 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 363 transitions. Word has length 55 [2018-02-04 03:32:44,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:44,653 INFO L432 AbstractCegarLoop]: Abstraction has 317 states and 363 transitions. [2018-02-04 03:32:44,653 INFO L433 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-02-04 03:32:44,653 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 363 transitions. [2018-02-04 03:32:44,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:32:44,653 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:44,653 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] [2018-02-04 03:32:44,653 INFO L371 AbstractCegarLoop]: === Iteration 38 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:44,653 INFO L82 PathProgramCache]: Analyzing trace with hash 773588114, now seen corresponding path program 1 times [2018-02-04 03:32:44,654 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:44,660 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:44,773 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:32:44,773 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,774 INFO L182 omatonBuilderFactory]: Interpolants [21792#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|))), 21793#(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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 21794#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 21795#(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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 21796#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 21797#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 21798#(= 1 (select |#valid| |main_#t~mem40.base|)), 21799#(= 1 (select |#valid| main_~x~0.base)), 21785#true, 21786#false, 21787#(= (select |#valid| main_~head~0.base) 1), 21788#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 21789#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 21790#(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)), 21791#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))] [2018-02-04 03:32:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:44,774 INFO L409 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-02-04 03:32:44,774 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-02-04 03:32:44,774 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2018-02-04 03:32:44,774 INFO L87 Difference]: Start difference. First operand 317 states and 363 transitions. Second operand 15 states. [2018-02-04 03:32:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:45,217 INFO L93 Difference]: Finished difference Result 483 states and 553 transitions. [2018-02-04 03:32:45,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-02-04 03:32:45,218 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 55 [2018-02-04 03:32:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:45,219 INFO L225 Difference]: With dead ends: 483 [2018-02-04 03:32:45,219 INFO L226 Difference]: Without dead ends: 483 [2018-02-04 03:32:45,219 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:32:45,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2018-02-04 03:32:45,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 376. [2018-02-04 03:32:45,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-02-04 03:32:45,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 432 transitions. [2018-02-04 03:32:45,222 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 432 transitions. Word has length 55 [2018-02-04 03:32:45,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:45,222 INFO L432 AbstractCegarLoop]: Abstraction has 376 states and 432 transitions. [2018-02-04 03:32:45,222 INFO L433 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-02-04 03:32:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 432 transitions. [2018-02-04 03:32:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-02-04 03:32:45,222 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:45,222 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] [2018-02-04 03:32:45,223 INFO L371 AbstractCegarLoop]: === Iteration 39 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:45,223 INFO L82 PathProgramCache]: Analyzing trace with hash 773588115, now seen corresponding path program 1 times [2018-02-04 03:32:45,223 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:45,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:45,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:45,544 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:45,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:32:45,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:45,544 INFO L182 omatonBuilderFactory]: Interpolants [22688#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 22689#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 22690#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 22691#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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))), 22692#(and (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 |main_#t~mem19.offset|)), 22693#(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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset 0) (not (= main_~x~0.base main_~head~0.base))), 22694#(and (= 16 (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 22695#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 22696#(and (<= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 16 (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))), 22697#(and (<= 0 |main_#t~mem40.offset|) (= 16 (select |#length| |main_#t~mem40.base|)) (<= |main_#t~mem40.offset| 0)), 22698#(and (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16)), 22685#true, 22686#false, 22687#(= (select |#valid| main_~head~0.base) 1)] [2018-02-04 03:32:45,544 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:45,545 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:32:45,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:32:45,545 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:32:45,545 INFO L87 Difference]: Start difference. First operand 376 states and 432 transitions. Second operand 14 states. [2018-02-04 03:32:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:46,137 INFO L93 Difference]: Finished difference Result 534 states and 612 transitions. [2018-02-04 03:32:46,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:32:46,138 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 55 [2018-02-04 03:32:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:46,139 INFO L225 Difference]: With dead ends: 534 [2018-02-04 03:32:46,139 INFO L226 Difference]: Without dead ends: 534 [2018-02-04 03:32:46,139 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:32:46,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-02-04 03:32:46,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 416. [2018-02-04 03:32:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-02-04 03:32:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 480 transitions. [2018-02-04 03:32:46,142 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 480 transitions. Word has length 55 [2018-02-04 03:32:46,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:46,142 INFO L432 AbstractCegarLoop]: Abstraction has 416 states and 480 transitions. [2018-02-04 03:32:46,142 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:32:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 480 transitions. [2018-02-04 03:32:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:32:46,143 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:46,143 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 03:32:46,143 INFO L371 AbstractCegarLoop]: === Iteration 40 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1476242932, now seen corresponding path program 1 times [2018-02-04 03:32:46,143 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:46,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:46,470 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:46,470 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:32:46,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:46,470 INFO L182 omatonBuilderFactory]: Interpolants [23667#true, 23668#false, 23669#(= |#valid| |old(#valid)|), 23670#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 23671#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 23672#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|) (= main_~head~0.offset 0)), 23673#(and (= (store (store |#valid| |main_#t~malloc5.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= 0 |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 23674#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 23675#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (store (store |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 23676#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 23677#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (not (= 0 main_~x~0.base)) (= (store (store |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) 8) 0) main_~x~0.base 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 23678#(and (= (store (store |#valid| |main_#t~mem43.base| 0) main_~head~0.base 0) |old(#valid)|) (not (= 0 |main_#t~mem43.base|)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= |main_#t~mem43.base| main_~head~0.base)))] [2018-02-04 03:32:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:46,471 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:32:46,471 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:32:46,471 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:32:46,471 INFO L87 Difference]: Start difference. First operand 416 states and 480 transitions. Second operand 12 states. [2018-02-04 03:32:46,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:46,860 INFO L93 Difference]: Finished difference Result 421 states and 484 transitions. [2018-02-04 03:32:46,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:32:46,861 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 58 [2018-02-04 03:32:46,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:46,861 INFO L225 Difference]: With dead ends: 421 [2018-02-04 03:32:46,861 INFO L226 Difference]: Without dead ends: 384 [2018-02-04 03:32:46,862 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:32:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2018-02-04 03:32:46,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2018-02-04 03:32:46,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-02-04 03:32:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 447 transitions. [2018-02-04 03:32:46,864 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 447 transitions. Word has length 58 [2018-02-04 03:32:46,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:46,864 INFO L432 AbstractCegarLoop]: Abstraction has 384 states and 447 transitions. [2018-02-04 03:32:46,864 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:32:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 447 transitions. [2018-02-04 03:32:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:32:46,864 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:46,865 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] [2018-02-04 03:32:46,865 INFO L371 AbstractCegarLoop]: === Iteration 41 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:46,865 INFO L82 PathProgramCache]: Analyzing trace with hash 516218322, now seen corresponding path program 1 times [2018-02-04 03:32:46,865 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:46,871 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:47,047 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:47,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-02-04 03:32:47,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:47,048 INFO L182 omatonBuilderFactory]: Interpolants [24512#(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 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 24513#(= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))), 24514#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 24515#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 24516#(= 1 (select |#valid| |main_#t~mem40.base|)), 24517#(= 1 (select |#valid| main_~x~0.base)), 24502#true, 24503#false, 24504#(= (select |#valid| main_~head~0.base) 1), 24505#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24506#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 24507#(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)), 24508#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 24509#(and (= |main_#t~mem19.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 |main_#t~mem19.base|))), 24510#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 24511#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)))] [2018-02-04 03:32:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:47,049 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:32:47,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:32:47,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:32:47,049 INFO L87 Difference]: Start difference. First operand 384 states and 447 transitions. Second operand 16 states. [2018-02-04 03:32:47,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:47,741 INFO L93 Difference]: Finished difference Result 523 states and 603 transitions. [2018-02-04 03:32:47,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-02-04 03:32:47,741 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 58 [2018-02-04 03:32:47,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:47,742 INFO L225 Difference]: With dead ends: 523 [2018-02-04 03:32:47,742 INFO L226 Difference]: Without dead ends: 523 [2018-02-04 03:32:47,743 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=282, Invalid=1050, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:32:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2018-02-04 03:32:47,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 413. [2018-02-04 03:32:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-02-04 03:32:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 481 transitions. [2018-02-04 03:32:47,746 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 481 transitions. Word has length 58 [2018-02-04 03:32:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:47,746 INFO L432 AbstractCegarLoop]: Abstraction has 413 states and 481 transitions. [2018-02-04 03:32:47,746 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:32:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 481 transitions. [2018-02-04 03:32:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-02-04 03:32:47,746 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:47,746 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] [2018-02-04 03:32:47,746 INFO L371 AbstractCegarLoop]: === Iteration 42 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:47,747 INFO L82 PathProgramCache]: Analyzing trace with hash 516218323, now seen corresponding path program 1 times [2018-02-04 03:32:47,747 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:47,755 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:48,035 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:48,036 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:32:48,036 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:48,036 INFO L182 omatonBuilderFactory]: Interpolants [25504#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25505#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25506#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 25507#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#length| main_~x~0.base) 16)), 25508#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16)), 25509#(and (<= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (<= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) 0)), 25510#(and (<= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (<= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 25511#(and (<= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (= 16 (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))), 25512#(and (<= 0 |main_#t~mem40.offset|) (= 16 (select |#length| |main_#t~mem40.base|)) (<= |main_#t~mem40.offset| 0)), 25513#(and (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16)), 25496#true, 25497#false, 25498#(= (select |#valid| main_~head~0.base) 1), 25499#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25500#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|))), 25501#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 25502#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.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)), 25503#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)))] [2018-02-04 03:32:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:48,036 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:32:48,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:32:48,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:32:48,037 INFO L87 Difference]: Start difference. First operand 413 states and 481 transitions. Second operand 18 states. [2018-02-04 03:32:48,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:48,920 INFO L93 Difference]: Finished difference Result 587 states and 673 transitions. [2018-02-04 03:32:48,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:32:48,920 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 58 [2018-02-04 03:32:48,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:48,921 INFO L225 Difference]: With dead ends: 587 [2018-02-04 03:32:48,921 INFO L226 Difference]: Without dead ends: 587 [2018-02-04 03:32:48,921 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=1103, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:32:48,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2018-02-04 03:32:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 354. [2018-02-04 03:32:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2018-02-04 03:32:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 412 transitions. [2018-02-04 03:32:48,924 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 412 transitions. Word has length 58 [2018-02-04 03:32:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:48,924 INFO L432 AbstractCegarLoop]: Abstraction has 354 states and 412 transitions. [2018-02-04 03:32:48,924 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:32:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 412 transitions. [2018-02-04 03:32:48,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:32:48,924 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:48,925 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:48,925 INFO L371 AbstractCegarLoop]: === Iteration 43 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:48,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1615018402, now seen corresponding path program 1 times [2018-02-04 03:32:48,925 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:48,931 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:49,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:49,397 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:49,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:32:49,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:49,397 INFO L182 omatonBuilderFactory]: Interpolants [26496#(= main_~head~0.offset 0), 26497#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 26498#(and (= 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)), 26499#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 26500#(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)), 26501#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 26502#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 26503#(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 0)) main_~head~0.base) main_~head~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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 26504#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 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) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 26505#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset) (= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 26506#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 26507#(and (= (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 8))) (= 1 (select |#valid| (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))), 26508#(and (= 0 |main_#t~mem40.offset|) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))) (= 1 (select |#valid| |main_#t~mem40.base|))), 26509#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 26510#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 26511#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 26512#(= 1 (select |#valid| |main_#t~mem35.base|)), 26493#true, 26494#false, 26495#(= 0 |main_#t~malloc0.offset|)] [2018-02-04 03:32:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:49,397 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:32:49,397 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:32:49,398 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:32:49,398 INFO L87 Difference]: Start difference. First operand 354 states and 412 transitions. Second operand 20 states. [2018-02-04 03:32:50,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:50,249 INFO L93 Difference]: Finished difference Result 619 states and 708 transitions. [2018-02-04 03:32:50,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:32:50,249 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 03:32:50,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:50,250 INFO L225 Difference]: With dead ends: 619 [2018-02-04 03:32:50,250 INFO L226 Difference]: Without dead ends: 619 [2018-02-04 03:32:50,251 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=311, Invalid=1411, Unknown=0, NotChecked=0, Total=1722 [2018-02-04 03:32:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-02-04 03:32:50,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 429. [2018-02-04 03:32:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-02-04 03:32:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 501 transitions. [2018-02-04 03:32:50,255 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 501 transitions. Word has length 63 [2018-02-04 03:32:50,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:50,255 INFO L432 AbstractCegarLoop]: Abstraction has 429 states and 501 transitions. [2018-02-04 03:32:50,255 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:32:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 501 transitions. [2018-02-04 03:32:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:32:50,256 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:50,256 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:50,256 INFO L371 AbstractCegarLoop]: === Iteration 44 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:50,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1615018401, now seen corresponding path program 1 times [2018-02-04 03:32:50,256 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:50,277 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:50,622 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:50,622 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:32:50,622 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:50,622 INFO L182 omatonBuilderFactory]: Interpolants [27616#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) 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 main_~x~0.offset) (= main_~head~0.offset 0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 27617#(and (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) main_~x~0.offset) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset) (= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 27618#(and (= (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)) (+ main_~head~0.offset 8))) (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 27619#(and (= (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 8))) (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 27620#(and (= 0 |main_#t~mem40.offset|) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))) (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8)))), 27621#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 27622#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= |main_#t~mem33.base| main_~x~0.base)), 27623#(not |main_#t~short34|), 27624#(not |main_#t~short37|), 27605#true, 27606#false, 27607#(= 0 |main_#t~malloc0.offset|), 27608#(= main_~head~0.offset 0), 27609#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 27610#(and (= 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)), 27611#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 27612#(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)), 27613#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 27614#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 27615#(and (or (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 0)) main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset main_~head~0.offset)) (= main_~head~0.offset 0))] [2018-02-04 03:32:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:50,623 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:32:50,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:32:50,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:32:50,623 INFO L87 Difference]: Start difference. First operand 429 states and 501 transitions. Second operand 20 states. [2018-02-04 03:32:51,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:51,727 INFO L93 Difference]: Finished difference Result 646 states and 733 transitions. [2018-02-04 03:32:51,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:32:51,727 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 63 [2018-02-04 03:32:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:51,728 INFO L225 Difference]: With dead ends: 646 [2018-02-04 03:32:51,728 INFO L226 Difference]: Without dead ends: 646 [2018-02-04 03:32:51,729 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=498, Invalid=2258, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:32:51,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-02-04 03:32:51,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 421. [2018-02-04 03:32:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2018-02-04 03:32:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 489 transitions. [2018-02-04 03:32:51,732 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 489 transitions. Word has length 63 [2018-02-04 03:32:51,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:51,732 INFO L432 AbstractCegarLoop]: Abstraction has 421 states and 489 transitions. [2018-02-04 03:32:51,732 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:32:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 489 transitions. [2018-02-04 03:32:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:32:51,733 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:51,733 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:51,733 INFO L371 AbstractCegarLoop]: === Iteration 45 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:51,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1232770936, now seen corresponding path program 2 times [2018-02-04 03:32:51,733 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:51,754 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:52,362 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:52,363 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:52,363 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:32:52,363 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:52,363 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 03:32:52,364 INFO L182 omatonBuilderFactory]: Interpolants [28758#true, 28759#false, 28760#(= 0 |main_#t~malloc0.offset|), 28761#(= main_~head~0.offset 0), 28762#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 28763#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 28764#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 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 8))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28765#(and (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 28766#(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 1)) (= 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 8))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28767#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28768#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 28769#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 28770#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 28771#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 28772#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 28773#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 28774#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 28775#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 28776#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 28777#(and (= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 28778#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 28779#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 28780#(and (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 28781#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 28782#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 28783#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:32:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:52,364 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:32:52,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:32:52,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=522, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:32:52,364 INFO L87 Difference]: Start difference. First operand 421 states and 489 transitions. Second operand 26 states. [2018-02-04 03:32:53,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:53,200 INFO L93 Difference]: Finished difference Result 675 states and 774 transitions. [2018-02-04 03:32:53,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-02-04 03:32:53,200 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 63 [2018-02-04 03:32:53,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:53,201 INFO L225 Difference]: With dead ends: 675 [2018-02-04 03:32:53,201 INFO L226 Difference]: Without dead ends: 675 [2018-02-04 03:32:53,202 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=480, Invalid=1682, Unknown=0, NotChecked=0, Total=2162 [2018-02-04 03:32:53,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-02-04 03:32:53,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 452. [2018-02-04 03:32:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-02-04 03:32:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 526 transitions. [2018-02-04 03:32:53,206 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 526 transitions. Word has length 63 [2018-02-04 03:32:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:53,206 INFO L432 AbstractCegarLoop]: Abstraction has 452 states and 526 transitions. [2018-02-04 03:32:53,206 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:32:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 526 transitions. [2018-02-04 03:32:53,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-02-04 03:32:53,206 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:53,206 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:53,206 INFO L371 AbstractCegarLoop]: === Iteration 46 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:53,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1232770935, now seen corresponding path program 2 times [2018-02-04 03:32:53,207 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:53,216 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:53,916 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:53,916 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:32:53,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:53,916 INFO L182 omatonBuilderFactory]: Interpolants [29953#true, 29954#false, 29955#(= 0 |main_#t~malloc0.offset|), 29956#(= main_~head~0.offset 0), 29957#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29958#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 29959#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 29960#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 29961#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (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 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 29962#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 29963#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 29964#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 29965#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 29966#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) (+ main_~head~0.offset 8)))), 29967#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (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)))), 29968#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 29969#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 29970#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|))), 29971#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 29972#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))), 29973#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 29974#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 29975#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= |main_#t~mem33.base| main_~x~0.base)), 29976#(not |main_#t~short34|), 29977#(not |main_#t~short37|)] [2018-02-04 03:32:53,916 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:53,917 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:32:53,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:32:53,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:32:53,917 INFO L87 Difference]: Start difference. First operand 452 states and 526 transitions. Second operand 25 states. [2018-02-04 03:32:55,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:55,369 INFO L93 Difference]: Finished difference Result 727 states and 827 transitions. [2018-02-04 03:32:55,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-02-04 03:32:55,369 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 63 [2018-02-04 03:32:55,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:55,371 INFO L225 Difference]: With dead ends: 727 [2018-02-04 03:32:55,371 INFO L226 Difference]: Without dead ends: 727 [2018-02-04 03:32:55,371 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=663, Invalid=3119, Unknown=0, NotChecked=0, Total=3782 [2018-02-04 03:32:55,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2018-02-04 03:32:55,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 450. [2018-02-04 03:32:55,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-02-04 03:32:55,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 522 transitions. [2018-02-04 03:32:55,374 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 522 transitions. Word has length 63 [2018-02-04 03:32:55,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:55,375 INFO L432 AbstractCegarLoop]: Abstraction has 450 states and 522 transitions. [2018-02-04 03:32:55,375 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:32:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 522 transitions. [2018-02-04 03:32:55,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-02-04 03:32:55,375 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:55,375 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:55,376 INFO L371 AbstractCegarLoop]: === Iteration 47 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:55,376 INFO L82 PathProgramCache]: Analyzing trace with hash -258942841, now seen corresponding path program 1 times [2018-02-04 03:32:55,376 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:55,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:55,514 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:55,514 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-02-04 03:32:55,514 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:55,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:55,514 INFO L182 omatonBuilderFactory]: Interpolants [31232#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 31233#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 31234#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base)), 31235#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 31236#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|))), 31237#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 31238#(not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 31239#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 31240#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 31241#(not (= 0 |main_#t~mem40.base|)), 31242#(not (= 0 main_~x~0.base)), 31229#true, 31230#false, 31231#(= (select |#valid| main_~head~0.base) 1)] [2018-02-04 03:32:55,515 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:55,515 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:32:55,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:32:55,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:32:55,515 INFO L87 Difference]: Start difference. First operand 450 states and 522 transitions. Second operand 14 states. [2018-02-04 03:32:55,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:55,972 INFO L93 Difference]: Finished difference Result 566 states and 649 transitions. [2018-02-04 03:32:55,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-02-04 03:32:55,972 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2018-02-04 03:32:55,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:55,973 INFO L225 Difference]: With dead ends: 566 [2018-02-04 03:32:55,973 INFO L226 Difference]: Without dead ends: 566 [2018-02-04 03:32:55,973 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:32:55,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2018-02-04 03:32:55,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 450. [2018-02-04 03:32:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2018-02-04 03:32:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 520 transitions. [2018-02-04 03:32:55,977 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 520 transitions. Word has length 64 [2018-02-04 03:32:55,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:55,977 INFO L432 AbstractCegarLoop]: Abstraction has 450 states and 520 transitions. [2018-02-04 03:32:55,977 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:32:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 520 transitions. [2018-02-04 03:32:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:32:55,977 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:55,977 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:55,977 INFO L371 AbstractCegarLoop]: === Iteration 48 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:55,978 INFO L82 PathProgramCache]: Analyzing trace with hash -911793490, now seen corresponding path program 2 times [2018-02-04 03:32:55,978 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:55,993 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:56,689 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:56,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:32:56,689 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:56,690 INFO L182 omatonBuilderFactory]: Interpolants [32279#true, 32280#false, 32281#(= 0 |main_#t~malloc0.offset|), 32282#(= main_~head~0.offset 0), 32283#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 32284#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 32285#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 32286#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|)) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 32287#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 32288#(and (< 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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1)), 32289#(and (= 0 main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 32290#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (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 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 32291#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))))), 32292#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 32293#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.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 0)) main_~head~0.base) (+ main_~head~0.offset 8))))), 32294#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 32295#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset 0) (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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= |main_#t~malloc15.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8))))), 32296#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 32297#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 32298#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 32299#(and (or (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 32300#(and (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 32301#(and (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 32302#(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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 32303#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 32304#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 main_~x~0.offset)), 32305#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:32:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:56,690 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:32:56,690 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:32:56,690 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:32:56,690 INFO L87 Difference]: Start difference. First operand 450 states and 520 transitions. Second operand 27 states. [2018-02-04 03:32:58,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:32:58,458 INFO L93 Difference]: Finished difference Result 1066 states and 1223 transitions. [2018-02-04 03:32:58,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:32:58,458 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 66 [2018-02-04 03:32:58,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:32:58,460 INFO L225 Difference]: With dead ends: 1066 [2018-02-04 03:32:58,460 INFO L226 Difference]: Without dead ends: 1066 [2018-02-04 03:32:58,461 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 960 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=877, Invalid=3283, Unknown=0, NotChecked=0, Total=4160 [2018-02-04 03:32:58,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2018-02-04 03:32:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 481. [2018-02-04 03:32:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-02-04 03:32:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 557 transitions. [2018-02-04 03:32:58,465 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 557 transitions. Word has length 66 [2018-02-04 03:32:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:32:58,465 INFO L432 AbstractCegarLoop]: Abstraction has 481 states and 557 transitions. [2018-02-04 03:32:58,465 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:32:58,465 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 557 transitions. [2018-02-04 03:32:58,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:32:58,465 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:32:58,465 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:32:58,466 INFO L371 AbstractCegarLoop]: === Iteration 49 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:32:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash -911793489, now seen corresponding path program 2 times [2018-02-04 03:32:58,466 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:32:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:32:58,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:32:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:59,703 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:32:59,703 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:32:59,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:32:59,704 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 03:32:59,704 INFO L182 omatonBuilderFactory]: Interpolants [33929#true, 33930#false, 33931#(= |main_#t~malloc0.offset| 0), 33932#(= main_~head~0.offset 0), 33933#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33934#(and (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 16 (select |#length| |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33935#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33936#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem7.base|)) (= main_~head~0.offset 0) (= |main_#t~mem7.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 33937#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 33938#(and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1)), 33939#(and (= 0 main_~head~0.offset) (<= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (or (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~head~0.offset 8))) (not (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) main_~x~0.offset)))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|))), 33940#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 33941#(and (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0))) (< 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)), 33942#(and (= 16 (select |#length| |main_#t~mem19.base|)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= |main_#t~mem19.offset| 0))) (= main_~head~0.offset 0)), 33943#(and (or (not (= main_~x~0.offset 0)) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (<= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 16)) (= main_~head~0.offset 0)), 33944#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset 0))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (or (and (<= 0 main_~x~0.offset) (= (select |#length| main_~x~0.base) 16)) (= main_~x~0.offset 0))), 33945#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (<= 16 (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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 33946#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (<= 16 (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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.offset 0) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 33947#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 33948#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.offset 0) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 33949#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.offset 0) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset 0)), 33950#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 33951#(and (<= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 33952#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (<= 16 (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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 33953#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 33954#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 33955#(and (= |main_#t~mem33.offset| main_~x~0.offset) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= |main_#t~mem33.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 33956#(and (= |main_#t~mem35.offset| 0) (<= 16 (select |#length| |main_#t~mem35.base|)))] [2018-02-04 03:32:59,704 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:32:59,704 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:32:59,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:32:59,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=657, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:32:59,705 INFO L87 Difference]: Start difference. First operand 481 states and 557 transitions. Second operand 28 states. [2018-02-04 03:33:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:01,407 INFO L93 Difference]: Finished difference Result 710 states and 815 transitions. [2018-02-04 03:33:01,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:33:01,407 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 66 [2018-02-04 03:33:01,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:01,409 INFO L225 Difference]: With dead ends: 710 [2018-02-04 03:33:01,409 INFO L226 Difference]: Without dead ends: 710 [2018-02-04 03:33:01,409 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 7 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=428, Invalid=2224, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:33:01,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-02-04 03:33:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 512. [2018-02-04 03:33:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-02-04 03:33:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 593 transitions. [2018-02-04 03:33:01,413 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 593 transitions. Word has length 66 [2018-02-04 03:33:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:01,413 INFO L432 AbstractCegarLoop]: Abstraction has 512 states and 593 transitions. [2018-02-04 03:33:01,413 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:33:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 593 transitions. [2018-02-04 03:33:01,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:33:01,413 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:01,414 INFO L351 BasicCegarLoop]: trace histogram [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 03:33:01,414 INFO L371 AbstractCegarLoop]: === Iteration 50 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:01,414 INFO L82 PathProgramCache]: Analyzing trace with hash 2073583518, now seen corresponding path program 1 times [2018-02-04 03:33:01,414 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:01,421 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:01,919 WARN L146 SmtUtils]: Spent 127ms on a formula simplification. DAG size of input: 41 DAG size of output 28 [2018-02-04 03:33:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:02,130 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:02,130 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:33:02,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:02,131 INFO L182 omatonBuilderFactory]: Interpolants [35232#(and (= 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)), 35233#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 35234#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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)), 35235#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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)), 35236#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select |#valid| |main_#t~mem19.base|) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 35237#(and (or (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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 35238#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 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)), 35239#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| |main_#t~malloc23.base|))), 35240#(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 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 35241#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 35242#(and (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8))))), 35243#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 35244#(and (= 0 |main_#t~mem40.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))))), 35245#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 35246#(= 1 (select |#valid| |main_#t~mem35.base|)), 35227#true, 35228#false, 35229#(= 0 |main_#t~malloc0.offset|), 35230#(= main_~head~0.offset 0), 35231#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0))] [2018-02-04 03:33:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:02,131 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:33:02,131 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:33:02,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=319, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:33:02,131 INFO L87 Difference]: Start difference. First operand 512 states and 593 transitions. Second operand 20 states. [2018-02-04 03:33:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:03,285 INFO L93 Difference]: Finished difference Result 664 states and 758 transitions. [2018-02-04 03:33:03,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:33:03,285 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 66 [2018-02-04 03:33:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:03,286 INFO L225 Difference]: With dead ends: 664 [2018-02-04 03:33:03,286 INFO L226 Difference]: Without dead ends: 664 [2018-02-04 03:33:03,287 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=384, Invalid=1686, Unknown=0, NotChecked=0, Total=2070 [2018-02-04 03:33:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2018-02-04 03:33:03,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 512. [2018-02-04 03:33:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-02-04 03:33:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 591 transitions. [2018-02-04 03:33:03,290 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 591 transitions. Word has length 66 [2018-02-04 03:33:03,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:03,290 INFO L432 AbstractCegarLoop]: Abstraction has 512 states and 591 transitions. [2018-02-04 03:33:03,290 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:33:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 591 transitions. [2018-02-04 03:33:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:33:03,290 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:03,290 INFO L351 BasicCegarLoop]: trace histogram [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 03:33:03,291 INFO L371 AbstractCegarLoop]: === Iteration 51 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:03,291 INFO L82 PathProgramCache]: Analyzing trace with hash 2073583519, now seen corresponding path program 1 times [2018-02-04 03:33:03,291 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:03,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:03,888 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:03,888 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:33:03,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:03,889 INFO L182 omatonBuilderFactory]: Interpolants [36480#(and (= 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)), 36481#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 36482#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~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)), 36483#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= (select |#length| |main_#t~mem17.base|) 16) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= 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)), 36484#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#length| |main_#t~mem19.base|) 16) (= (select |#valid| |main_#t~mem19.base|) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 36485#(and (or (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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 36486#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 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) (= (select |#length| main_~x~0.base) 16)), 36487#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (select |#length| |main_#t~malloc23.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 |main_#t~malloc23.offset|)), 36488#(and (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 36489#(and (= (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 36490#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))))), 36491#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))))), 36492#(and (= 0 |main_#t~mem40.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8))) (= (select |#length| |main_#t~mem40.base|) (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))))), 36493#(and (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 36494#(and (= (select |#length| main_~x~0.base) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0)), 36495#(and (= |main_#t~mem35.offset| 0) (<= 16 (select |#length| |main_#t~mem35.base|))), 36475#true, 36476#false, 36477#(= 0 |main_#t~malloc0.offset|), 36478#(= main_~head~0.offset 0), 36479#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0))] [2018-02-04 03:33:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:03,889 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:33:03,890 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:33:03,890 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:33:03,890 INFO L87 Difference]: Start difference. First operand 512 states and 591 transitions. Second operand 21 states. [2018-02-04 03:33:05,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:05,068 INFO L93 Difference]: Finished difference Result 640 states and 731 transitions. [2018-02-04 03:33:05,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:33:05,068 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 66 [2018-02-04 03:33:05,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:05,069 INFO L225 Difference]: With dead ends: 640 [2018-02-04 03:33:05,069 INFO L226 Difference]: Without dead ends: 640 [2018-02-04 03:33:05,070 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=344, Invalid=1462, Unknown=0, NotChecked=0, Total=1806 [2018-02-04 03:33:05,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2018-02-04 03:33:05,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 512. [2018-02-04 03:33:05,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-02-04 03:33:05,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 589 transitions. [2018-02-04 03:33:05,073 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 589 transitions. Word has length 66 [2018-02-04 03:33:05,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:05,073 INFO L432 AbstractCegarLoop]: Abstraction has 512 states and 589 transitions. [2018-02-04 03:33:05,073 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:33:05,073 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 589 transitions. [2018-02-04 03:33:05,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:33:05,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:05,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:05,074 INFO L371 AbstractCegarLoop]: === Iteration 52 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:05,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1839136312, now seen corresponding path program 1 times [2018-02-04 03:33:05,074 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:05,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:05,582 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 03:33:05,583 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:05,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:33:05,583 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:05,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:05,583 INFO L182 omatonBuilderFactory]: Interpolants [37696#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 37697#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 37698#(and (< main_~x~0.offset (+ main_~head~0.offset 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 37699#(and (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 37700#(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 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 37701#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 37702#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 37703#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 37704#(and (= 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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 37705#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 37706#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 37707#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 37708#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))), 37709#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (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)))), 37710#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37711#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 37712#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|))), 37713#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 37714#(= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))), 37715#(= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))), 37716#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))), 37717#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 37718#(and (= 1 (select |#valid| main_~x~0.base)) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 37719#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 37720#(= 1 (select |#valid| |main_#t~mem35.base|)), 37692#true, 37693#false, 37694#(= 0 |main_#t~malloc0.offset|), 37695#(= main_~head~0.offset 0)] [2018-02-04 03:33:05,583 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 03:33:05,583 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:33:05,583 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:33:05,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:33:05,584 INFO L87 Difference]: Start difference. First operand 512 states and 589 transitions. Second operand 29 states. [2018-02-04 03:33:07,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:07,175 INFO L93 Difference]: Finished difference Result 845 states and 961 transitions. [2018-02-04 03:33:07,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:33:07,175 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 66 [2018-02-04 03:33:07,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:07,177 INFO L225 Difference]: With dead ends: 845 [2018-02-04 03:33:07,177 INFO L226 Difference]: Without dead ends: 845 [2018-02-04 03:33:07,177 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1084 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1012, Invalid=3680, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 03:33:07,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-02-04 03:33:07,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 536. [2018-02-04 03:33:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-02-04 03:33:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 616 transitions. [2018-02-04 03:33:07,181 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 616 transitions. Word has length 66 [2018-02-04 03:33:07,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:07,181 INFO L432 AbstractCegarLoop]: Abstraction has 536 states and 616 transitions. [2018-02-04 03:33:07,181 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:33:07,181 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 616 transitions. [2018-02-04 03:33:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-02-04 03:33:07,182 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:07,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:07,182 INFO L371 AbstractCegarLoop]: === Iteration 53 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:07,182 INFO L82 PathProgramCache]: Analyzing trace with hash -1839136311, now seen corresponding path program 1 times [2018-02-04 03:33:07,182 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:07,191 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:07,878 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 03:33:07,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:07,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:33:07,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:07,879 INFO L182 omatonBuilderFactory]: Interpolants [39182#true, 39183#false, 39184#(= 0 |main_#t~malloc0.offset|), 39185#(= main_~head~0.offset 0), 39186#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 39187#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 39188#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 39189#(and (= main_~head~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base)), 39190#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (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 1)) (= 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 8))) (= (select |#valid| main_~x~0.base) 1)), 39191#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 39192#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 39193#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 39194#(and (= 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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 39195#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 39196#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))), 39197#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 39198#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) (+ main_~head~0.offset 8)))), 39199#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (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)))), 39200#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 39201#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 39202#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|))), 39203#(and (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base main_~head~0.base))), 39204#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))), 39205#(and (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 39206#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 39207#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= |main_#t~mem33.base| main_~x~0.base)), 39208#(not |main_#t~short34|), 39209#(not |main_#t~short37|)] [2018-02-04 03:33:07,879 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 03:33:07,879 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:33:07,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:33:07,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:33:07,880 INFO L87 Difference]: Start difference. First operand 536 states and 616 transitions. Second operand 28 states. [2018-02-04 03:33:10,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:10,074 INFO L93 Difference]: Finished difference Result 886 states and 1002 transitions. [2018-02-04 03:33:10,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:33:10,075 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 66 [2018-02-04 03:33:10,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:10,076 INFO L225 Difference]: With dead ends: 886 [2018-02-04 03:33:10,076 INFO L226 Difference]: Without dead ends: 886 [2018-02-04 03:33:10,077 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1464 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1151, Invalid=4701, Unknown=0, NotChecked=0, Total=5852 [2018-02-04 03:33:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2018-02-04 03:33:10,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 518. [2018-02-04 03:33:10,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-02-04 03:33:10,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 595 transitions. [2018-02-04 03:33:10,080 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 595 transitions. Word has length 66 [2018-02-04 03:33:10,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:10,080 INFO L432 AbstractCegarLoop]: Abstraction has 518 states and 595 transitions. [2018-02-04 03:33:10,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:33:10,081 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 595 transitions. [2018-02-04 03:33:10,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-02-04 03:33:10,081 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:10,081 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:10,081 INFO L371 AbstractCegarLoop]: === Iteration 54 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:10,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1876400313, now seen corresponding path program 1 times [2018-02-04 03:33:10,082 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:10,087 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:10,220 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:10,220 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-02-04 03:33:10,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:10,220 INFO L182 omatonBuilderFactory]: Interpolants [40712#true, 40713#false, 40714#(= (select |#valid| main_~head~0.base) 1), 40715#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 40716#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 40717#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 40718#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 40719#(and (not (= 0 (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 |main_#t~mem19.base|))), 40720#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 40721#(and (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)))), 40722#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 40723#(not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))), 40724#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 40725#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 40726#(not (= 0 |main_#t~mem40.base|)), 40727#(not (= 0 main_~x~0.base))] [2018-02-04 03:33:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:10,221 INFO L409 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-02-04 03:33:10,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-02-04 03:33:10,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:33:10,221 INFO L87 Difference]: Start difference. First operand 518 states and 595 transitions. Second operand 16 states. [2018-02-04 03:33:10,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:10,837 INFO L93 Difference]: Finished difference Result 620 states and 708 transitions. [2018-02-04 03:33:10,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:33:10,837 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 67 [2018-02-04 03:33:10,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:10,839 INFO L225 Difference]: With dead ends: 620 [2018-02-04 03:33:10,839 INFO L226 Difference]: Without dead ends: 620 [2018-02-04 03:33:10,839 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:33:10,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2018-02-04 03:33:10,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 518. [2018-02-04 03:33:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-02-04 03:33:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 593 transitions. [2018-02-04 03:33:10,842 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 593 transitions. Word has length 67 [2018-02-04 03:33:10,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:10,842 INFO L432 AbstractCegarLoop]: Abstraction has 518 states and 593 transitions. [2018-02-04 03:33:10,842 INFO L433 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-02-04 03:33:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 593 transitions. [2018-02-04 03:33:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:33:10,843 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:10,843 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:10,843 INFO L371 AbstractCegarLoop]: === Iteration 55 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:10,843 INFO L82 PathProgramCache]: Analyzing trace with hash -197243422, now seen corresponding path program 1 times [2018-02-04 03:33:10,844 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:10,861 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:11,640 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 03:33:11,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:11,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:33:11,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:11,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:11,641 INFO L182 omatonBuilderFactory]: Interpolants [41920#(and (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))), 41921#(and (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 41922#(= 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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))), 41923#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 41924#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 41925#(= 1 (select |#valid| |main_#t~mem35.base|)), 41896#true, 41897#false, 41898#(= 0 |main_#t~malloc0.offset|), 41899#(= main_~head~0.offset 0), 41900#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 41901#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 41902#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 41903#(and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~mem7.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 41904#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 41905#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 41906#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)), 41907#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (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) (= (select |#valid| main_~x~0.base) 1)), 41908#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8))))), 41909#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 41910#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))))), 41911#(and (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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= |main_#t~malloc23.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 41912#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))), 41913#(and (or (and (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem25.base| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 41914#(and (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 41915#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= |main_#t~malloc15.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8))))), 41916#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (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)))), 41917#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41918#(and (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 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 41919#(and (or (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (not (= main_~head~0.base |main_#t~mem19.base|)))] [2018-02-04 03:33:11,641 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 03:33:11,641 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:33:11,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:33:11,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:33:11,642 INFO L87 Difference]: Start difference. First operand 518 states and 593 transitions. Second operand 30 states. [2018-02-04 03:33:14,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:14,964 INFO L93 Difference]: Finished difference Result 920 states and 1043 transitions. [2018-02-04 03:33:14,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-02-04 03:33:14,964 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 69 [2018-02-04 03:33:14,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:14,965 INFO L225 Difference]: With dead ends: 920 [2018-02-04 03:33:14,966 INFO L226 Difference]: Without dead ends: 920 [2018-02-04 03:33:14,966 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2529 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1944, Invalid=8156, Unknown=0, NotChecked=0, Total=10100 [2018-02-04 03:33:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2018-02-04 03:33:14,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 487. [2018-02-04 03:33:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-02-04 03:33:14,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 555 transitions. [2018-02-04 03:33:14,971 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 555 transitions. Word has length 69 [2018-02-04 03:33:14,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:14,971 INFO L432 AbstractCegarLoop]: Abstraction has 487 states and 555 transitions. [2018-02-04 03:33:14,971 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:33:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 555 transitions. [2018-02-04 03:33:14,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-02-04 03:33:14,972 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:14,972 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:14,972 INFO L371 AbstractCegarLoop]: === Iteration 56 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:14,972 INFO L82 PathProgramCache]: Analyzing trace with hash -197243421, now seen corresponding path program 1 times [2018-02-04 03:33:14,973 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:15,001 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:15,905 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 03:33:15,905 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:15,905 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:33:15,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:15,906 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 03:33:15,906 INFO L182 omatonBuilderFactory]: Interpolants [43475#true, 43476#false, 43477#(= 0 |main_#t~malloc0.offset|), 43478#(= main_~head~0.offset 0), 43479#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 43480#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= 16 (select |#length| |main_#t~malloc5.base|)) (= (select |#valid| |main_#t~malloc5.base|) 1) (= main_~head~0.offset 0)), 43481#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 43482#(and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~mem7.base|) (= 16 (select |#length| |main_#t~mem7.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 43483#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 43484#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8))) 1) (= (select |#valid| main_~x~0.base) 1)), 43485#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~head~0.offset 8))) (= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8))) 1) (= main_~x~0.base main_~head~0.base)), 43486#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 43487#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~x~0.base) (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 43488#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 43489#(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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) 1)), 43490#(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 8) |main_#t~malloc23.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (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 8) |main_#t~malloc23.base|)) main_~head~0.base) (+ main_~head~0.offset 8))))), 43491#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 43492#(and (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 43493#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))) 1) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 43494#(and (= 16 (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~malloc15.base|)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) (+ main_~head~0.offset 8)))), 43495#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43496#(and (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8)))), 43497#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 43498#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|))), 43499#(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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= 16 (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))), 43500#(and (= 16 (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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) (+ main_~head~0.offset 8)))), 43501#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))), 43502#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 43503#(and (= |main_#t~mem35.offset| 0) (= (select |#length| |main_#t~mem35.base|) 16))] [2018-02-04 03:33:15,906 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 03:33:15,906 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:33:15,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:33:15,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=706, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:33:15,907 INFO L87 Difference]: Start difference. First operand 487 states and 555 transitions. Second operand 29 states. [2018-02-04 03:33:18,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:18,831 INFO L93 Difference]: Finished difference Result 887 states and 1008 transitions. [2018-02-04 03:33:18,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:33:18,831 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 69 [2018-02-04 03:33:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:18,833 INFO L225 Difference]: With dead ends: 887 [2018-02-04 03:33:18,833 INFO L226 Difference]: Without dead ends: 887 [2018-02-04 03:33:18,833 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1177 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1007, Invalid=3823, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:33:18,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-02-04 03:33:18,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 456. [2018-02-04 03:33:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2018-02-04 03:33:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 518 transitions. [2018-02-04 03:33:18,836 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 518 transitions. Word has length 69 [2018-02-04 03:33:18,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:18,836 INFO L432 AbstractCegarLoop]: Abstraction has 456 states and 518 transitions. [2018-02-04 03:33:18,836 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:33:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 518 transitions. [2018-02-04 03:33:18,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:33:18,837 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:18,837 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:18,837 INFO L371 AbstractCegarLoop]: === Iteration 57 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:18,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1478192611, now seen corresponding path program 2 times [2018-02-04 03:33:18,837 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:18,842 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,087 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:19,087 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:33:19,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,088 INFO L182 omatonBuilderFactory]: Interpolants [44929#true, 44930#false, 44931#(= (select |#valid| main_~head~0.base) 1), 44932#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 44933#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 44934#(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)), 44935#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 44936#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.offset|) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|))), 44937#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))), 44938#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 main_~head~0.base)) (= 0 (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))), 44939#(and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~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 8) main_~x~0.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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 44940#(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))) (= 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)))), 44941#(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))) (= 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)))), 44942#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) |main_#t~mem40.offset|))), 44943#(and (= 0 (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))), 44944#(and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)), 44945#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))] [2018-02-04 03:33:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,088 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:33:19,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:33:19,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:33:19,088 INFO L87 Difference]: Start difference. First operand 456 states and 518 transitions. Second operand 17 states. [2018-02-04 03:33:19,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:19,666 INFO L93 Difference]: Finished difference Result 522 states and 583 transitions. [2018-02-04 03:33:19,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:33:19,666 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2018-02-04 03:33:19,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:19,667 INFO L225 Difference]: With dead ends: 522 [2018-02-04 03:33:19,667 INFO L226 Difference]: Without dead ends: 522 [2018-02-04 03:33:19,667 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:33:19,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-02-04 03:33:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 480. [2018-02-04 03:33:19,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-02-04 03:33:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 542 transitions. [2018-02-04 03:33:19,670 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 542 transitions. Word has length 71 [2018-02-04 03:33:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:19,670 INFO L432 AbstractCegarLoop]: Abstraction has 480 states and 542 transitions. [2018-02-04 03:33:19,670 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:33:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 542 transitions. [2018-02-04 03:33:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:33:19,671 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:19,671 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:33:19,671 INFO L371 AbstractCegarLoop]: === Iteration 58 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:19,671 INFO L82 PathProgramCache]: Analyzing trace with hash 405105223, now seen corresponding path program 3 times [2018-02-04 03:33:19,671 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:19,678 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:19,883 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,883 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:19,883 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:33:19,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,884 INFO L182 omatonBuilderFactory]: Interpolants [45984#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 45985#(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)), 45986#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 45987#(and (= |main_#t~mem19.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 |main_#t~mem19.base|))), 45988#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 45989#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 45990#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|))), 45991#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45992#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45993#(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 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 45994#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|))), 45995#(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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 45996#(= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 45997#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 45998#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 45999#(= 1 (select |#valid| |main_#t~mem40.base|)), 46000#(= 1 (select |#valid| main_~x~0.base)), 45980#true, 45981#false, 45982#(= (select |#valid| main_~head~0.base) 1), 45983#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:33:19,884 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:19,884 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:33:19,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:33:19,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:33:19,884 INFO L87 Difference]: Start difference. First operand 480 states and 542 transitions. Second operand 21 states. [2018-02-04 03:33:20,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:20,653 INFO L93 Difference]: Finished difference Result 691 states and 783 transitions. [2018-02-04 03:33:20,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-02-04 03:33:20,654 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2018-02-04 03:33:20,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:20,655 INFO L225 Difference]: With dead ends: 691 [2018-02-04 03:33:20,655 INFO L226 Difference]: Without dead ends: 691 [2018-02-04 03:33:20,655 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=320, Invalid=1240, Unknown=0, NotChecked=0, Total=1560 [2018-02-04 03:33:20,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2018-02-04 03:33:20,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 569. [2018-02-04 03:33:20,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2018-02-04 03:33:20,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 645 transitions. [2018-02-04 03:33:20,659 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 645 transitions. Word has length 71 [2018-02-04 03:33:20,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:20,659 INFO L432 AbstractCegarLoop]: Abstraction has 569 states and 645 transitions. [2018-02-04 03:33:20,659 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:33:20,659 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 645 transitions. [2018-02-04 03:33:20,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-02-04 03:33:20,660 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:20,660 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:33:20,660 INFO L371 AbstractCegarLoop]: === Iteration 59 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:20,660 INFO L82 PathProgramCache]: Analyzing trace with hash 405105224, now seen corresponding path program 2 times [2018-02-04 03:33:20,661 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:20,673 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:21,100 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:21,100 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:21,100 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:33:21,100 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:21,101 INFO L182 omatonBuilderFactory]: Interpolants [47299#true, 47300#false, 47301#(= (select |#valid| main_~head~0.base) 1), 47302#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 47303#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 47304#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 47305#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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) (= 16 (select |#length| |main_#t~mem17.base|)) (= (select |#valid| main_~x~0.base) 1)), 47306#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 47307#(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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 47308#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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)), 47309#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 16 (select |#length| main_~x~0.base))), 47310#(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))) (= 16 (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))), 47311#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 47312#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))), 47313#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 47314#(and (= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))), 47315#(and (= 16 (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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 47316#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 47317#(and (= 16 (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))), 47318#(and (= 16 (select |#length| |main_#t~mem40.base|)) (= 0 |main_#t~mem40.offset|)), 47319#(and (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset))] [2018-02-04 03:33:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:21,101 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:33:21,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:33:21,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:33:21,101 INFO L87 Difference]: Start difference. First operand 569 states and 645 transitions. Second operand 21 states. [2018-02-04 03:33:22,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:22,000 INFO L93 Difference]: Finished difference Result 738 states and 838 transitions. [2018-02-04 03:33:22,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:33:22,000 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2018-02-04 03:33:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:22,002 INFO L225 Difference]: With dead ends: 738 [2018-02-04 03:33:22,002 INFO L226 Difference]: Without dead ends: 738 [2018-02-04 03:33:22,002 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=230, Invalid=960, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:33:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2018-02-04 03:33:22,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 585. [2018-02-04 03:33:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-02-04 03:33:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 667 transitions. [2018-02-04 03:33:22,006 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 667 transitions. Word has length 71 [2018-02-04 03:33:22,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:22,006 INFO L432 AbstractCegarLoop]: Abstraction has 585 states and 667 transitions. [2018-02-04 03:33:22,006 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:33:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 667 transitions. [2018-02-04 03:33:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:33:22,007 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:22,007 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:22,007 INFO L371 AbstractCegarLoop]: === Iteration 60 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:22,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1882385245, now seen corresponding path program 2 times [2018-02-04 03:33:22,007 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:22,013 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:22,289 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:22,289 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:33:22,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:22,289 INFO L182 omatonBuilderFactory]: Interpolants [48672#false, 48673#(= (select |#valid| main_~head~0.base) 1), 48674#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 48675#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= main_~x~0.base main_~head~0.base)), 48676#(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) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 48677#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 48678#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.offset|) (= (select |#valid| |main_#t~mem19.base|) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 48679#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 48680#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 48681#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|) main_~x~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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|))), 48682#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (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))), 48683#(and (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)))), 48684#(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))) (= 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)))), 48685#(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))) (= 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)))), 48686#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) |main_#t~mem40.offset|))), 48687#(and (= 0 (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))), 48688#(and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)), 48689#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 48671#true] [2018-02-04 03:33:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:22,289 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:33:22,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:33:22,290 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:33:22,290 INFO L87 Difference]: Start difference. First operand 585 states and 667 transitions. Second operand 19 states. [2018-02-04 03:33:23,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:23,116 INFO L93 Difference]: Finished difference Result 647 states and 730 transitions. [2018-02-04 03:33:23,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:33:23,116 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 74 [2018-02-04 03:33:23,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:23,118 INFO L225 Difference]: With dead ends: 647 [2018-02-04 03:33:23,118 INFO L226 Difference]: Without dead ends: 647 [2018-02-04 03:33:23,118 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=210, Invalid=1196, Unknown=0, NotChecked=0, Total=1406 [2018-02-04 03:33:23,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-02-04 03:33:23,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 591. [2018-02-04 03:33:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2018-02-04 03:33:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 675 transitions. [2018-02-04 03:33:23,121 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 675 transitions. Word has length 74 [2018-02-04 03:33:23,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:23,121 INFO L432 AbstractCegarLoop]: Abstraction has 591 states and 675 transitions. [2018-02-04 03:33:23,122 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:33:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 675 transitions. [2018-02-04 03:33:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:33:23,122 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:23,122 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] [2018-02-04 03:33:23,122 INFO L371 AbstractCegarLoop]: === Iteration 61 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:23,122 INFO L82 PathProgramCache]: Analyzing trace with hash -529284217, now seen corresponding path program 1 times [2018-02-04 03:33:23,123 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:23,131 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:23,571 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:23,571 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-02-04 03:33:23,571 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:23,572 INFO L182 omatonBuilderFactory]: Interpolants [49984#(or (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 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 49985#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|)))), 49986#(or (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 49987#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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)))), 49988#(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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 49989#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 49990#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 49991#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (= 1 (select |#valid| |main_#t~mem40.base|))), 49992#(or (= 1 (select |#valid| main_~x~0.base)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 49993#(= 1 (select |#valid| main_~x~0.base)), 49966#true, 49967#false, 49968#(= |main_#t~malloc0.offset| 0), 49969#(= main_~head~0.offset 0), 49970#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 49971#(and (= 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)), 49972#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 49973#(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)), 49974#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 49975#(and (= |main_#t~mem19.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 |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 49976#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 49977#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 49978#(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 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 49979#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 49980#(and (= 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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 49981#(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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset |main_#t~malloc15.offset|)), 49982#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 49983#(and (or (and (= main_~head~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))) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base |main_#t~mem17.base|)))] [2018-02-04 03:33:23,572 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:23,572 INFO L409 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-02-04 03:33:23,572 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-02-04 03:33:23,572 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:33:23,572 INFO L87 Difference]: Start difference. First operand 591 states and 675 transitions. Second operand 28 states. [2018-02-04 03:33:25,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:25,378 INFO L93 Difference]: Finished difference Result 816 states and 930 transitions. [2018-02-04 03:33:25,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:33:25,378 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 74 [2018-02-04 03:33:25,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:25,380 INFO L225 Difference]: With dead ends: 816 [2018-02-04 03:33:25,380 INFO L226 Difference]: Without dead ends: 816 [2018-02-04 03:33:25,380 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1056, Invalid=3636, Unknown=0, NotChecked=0, Total=4692 [2018-02-04 03:33:25,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2018-02-04 03:33:25,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 692. [2018-02-04 03:33:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 692 states. [2018-02-04 03:33:25,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 790 transitions. [2018-02-04 03:33:25,384 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 790 transitions. Word has length 74 [2018-02-04 03:33:25,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:25,385 INFO L432 AbstractCegarLoop]: Abstraction has 692 states and 790 transitions. [2018-02-04 03:33:25,385 INFO L433 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-02-04 03:33:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 790 transitions. [2018-02-04 03:33:25,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:33:25,385 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:25,385 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] [2018-02-04 03:33:25,385 INFO L371 AbstractCegarLoop]: === Iteration 62 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:25,385 INFO L82 PathProgramCache]: Analyzing trace with hash -529284216, now seen corresponding path program 1 times [2018-02-04 03:33:25,386 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:25,395 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:26,176 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:26,176 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:33:26,176 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:26,176 INFO L182 omatonBuilderFactory]: Interpolants [51584#true, 51585#false, 51586#(= |main_#t~malloc0.offset| 0), 51587#(= main_~head~0.offset 0), 51588#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 51589#(and (= 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)), 51590#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|))), 51591#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 51592#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 51593#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 51594#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51595#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51596#(and (= 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)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 51597#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (<= main_~x~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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 16)), 51598#(and (= 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)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 16)), 51599#(and (<= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 51600#(and (= 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)) (<= main_~x~0.offset 0) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 51601#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)) (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))))), 51602#(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_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 51603#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 51604#(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_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 51605#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~head~0.base |main_#t~mem19.base|)))), 51606#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 16) (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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)))), 51607#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~x~0.base main_~head~0.base)))), 51608#(or (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) 16) (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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))), 51609#(or (and (= 0 (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))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)))), 51610#(or (and (= 0 (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))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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)))), 51611#(or (and (<= 0 |main_#t~mem40.offset|) (<= (+ |main_#t~mem40.offset| 16) (select |#length| |main_#t~mem40.base|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 51612#(or (and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 51613#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-02-04 03:33:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:26,177 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:33:26,177 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:33:26,177 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:33:26,177 INFO L87 Difference]: Start difference. First operand 692 states and 790 transitions. Second operand 30 states. [2018-02-04 03:33:28,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:28,822 INFO L93 Difference]: Finished difference Result 916 states and 1048 transitions. [2018-02-04 03:33:28,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:33:28,822 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 74 [2018-02-04 03:33:28,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:28,824 INFO L225 Difference]: With dead ends: 916 [2018-02-04 03:33:28,824 INFO L226 Difference]: Without dead ends: 916 [2018-02-04 03:33:28,824 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1018, Invalid=4238, Unknown=0, NotChecked=0, Total=5256 [2018-02-04 03:33:28,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2018-02-04 03:33:28,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 662. [2018-02-04 03:33:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 662 states. [2018-02-04 03:33:28,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 756 transitions. [2018-02-04 03:33:28,829 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 756 transitions. Word has length 74 [2018-02-04 03:33:28,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:28,829 INFO L432 AbstractCegarLoop]: Abstraction has 662 states and 756 transitions. [2018-02-04 03:33:28,830 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:33:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 756 transitions. [2018-02-04 03:33:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-02-04 03:33:28,830 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:28,830 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] [2018-02-04 03:33:28,830 INFO L371 AbstractCegarLoop]: === Iteration 63 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:28,830 INFO L82 PathProgramCache]: Analyzing trace with hash 978821118, now seen corresponding path program 2 times [2018-02-04 03:33:28,831 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:28,847 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:29,279 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:29,279 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:33:29,280 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:29,280 INFO L182 omatonBuilderFactory]: Interpolants [53278#true, 53279#false, 53280#(= 0 |main_#t~malloc0.offset|), 53281#(= 0 main_~head~0.offset), 53282#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 53283#(and (= 0 main_~head~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)), 53284#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 53285#(and (= 0 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.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 53286#(and (= 0 main_~head~0.offset) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 53287#(and (= 0 main_~head~0.offset) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 53288#(and (= 0 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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 53289#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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)), 53290#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 16 (select |#length| main_~x~0.base))), 53291#(and (= 0 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))) (= 16 (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))), 53292#(and (= 0 main_~head~0.offset) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 53293#(and (= 0 main_~head~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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))), 53294#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 53295#(and (= 0 main_~head~0.offset) (= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))), 53296#(and (= 16 (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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset))) (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset))), 53297#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 53298#(or (and (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem25.base| main_~head~0.base) (= |main_#t~mem25.offset| main_~head~0.offset))), 53299#(or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))) (and (= 0 (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)))), 53300#(or (and (= 0 (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))) (and (= 16 (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)))), 53301#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (and (= 16 (select |#length| |main_#t~mem40.base|)) (= 0 |main_#t~mem40.offset|))), 53302#(or (and (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 53303#(and (= main_~x~0.offset 0) (= (select |#length| main_~x~0.base) 16))] [2018-02-04 03:33:29,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:29,280 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:33:29,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:33:29,280 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:33:29,280 INFO L87 Difference]: Start difference. First operand 662 states and 756 transitions. Second operand 26 states. [2018-02-04 03:33:31,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:31,251 INFO L93 Difference]: Finished difference Result 1161 states and 1326 transitions. [2018-02-04 03:33:31,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:33:31,252 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 74 [2018-02-04 03:33:31,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:31,253 INFO L225 Difference]: With dead ends: 1161 [2018-02-04 03:33:31,254 INFO L226 Difference]: Without dead ends: 1161 [2018-02-04 03:33:31,254 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=781, Invalid=3509, Unknown=0, NotChecked=0, Total=4290 [2018-02-04 03:33:31,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2018-02-04 03:33:31,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 694. [2018-02-04 03:33:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2018-02-04 03:33:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 790 transitions. [2018-02-04 03:33:31,260 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 790 transitions. Word has length 74 [2018-02-04 03:33:31,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:31,261 INFO L432 AbstractCegarLoop]: Abstraction has 694 states and 790 transitions. [2018-02-04 03:33:31,261 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:33:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 790 transitions. [2018-02-04 03:33:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-02-04 03:33:31,261 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:31,261 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:33:31,261 INFO L371 AbstractCegarLoop]: === Iteration 64 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:31,262 INFO L82 PathProgramCache]: Analyzing trace with hash 266059454, now seen corresponding path program 2 times [2018-02-04 03:33:31,262 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:31,274 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:32,053 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:32,053 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:33:32,053 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:32,053 INFO L182 omatonBuilderFactory]: Interpolants [55239#true, 55240#false, 55241#(= (select |#valid| main_~head~0.base) 1), 55242#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 55243#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 55244#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 55245#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= (select |#length| |main_#t~mem17.base|) 16) (= 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)), 55246#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55247#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| main_~x~0.base) 16) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 55248#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 55249#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#length| main_~x~0.base) 16)), 55250#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 55251#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 55252#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| main_~head~0.base) 1) (= 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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))), 55253#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55254#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 55255#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (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))), 55256#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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 |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55257#(and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 16) (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 0)) 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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 55258#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset) 16) (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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~malloc23.base|))), 55259#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 55260#(and (<= (+ (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) 16) (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))), 55261#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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))), 55262#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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))), 55263#(and (= 0 |main_#t~mem40.offset|) (<= (+ |main_#t~mem40.offset| 16) (select |#length| |main_#t~mem40.base|))), 55264#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset))] [2018-02-04 03:33:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:32,053 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:33:32,054 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:33:32,054 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=546, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:33:32,054 INFO L87 Difference]: Start difference. First operand 694 states and 790 transitions. Second operand 26 states. [2018-02-04 03:33:33,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:33,897 INFO L93 Difference]: Finished difference Result 944 states and 1070 transitions. [2018-02-04 03:33:33,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:33:33,897 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 77 [2018-02-04 03:33:33,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:33,899 INFO L225 Difference]: With dead ends: 944 [2018-02-04 03:33:33,899 INFO L226 Difference]: Without dead ends: 944 [2018-02-04 03:33:33,900 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 2 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=557, Invalid=2983, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:33:33,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2018-02-04 03:33:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 603. [2018-02-04 03:33:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-02-04 03:33:33,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 687 transitions. [2018-02-04 03:33:33,906 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 687 transitions. Word has length 77 [2018-02-04 03:33:33,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:33,906 INFO L432 AbstractCegarLoop]: Abstraction has 603 states and 687 transitions. [2018-02-04 03:33:33,906 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:33:33,906 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 687 transitions. [2018-02-04 03:33:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:33:33,907 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:33,907 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:33,907 INFO L371 AbstractCegarLoop]: === Iteration 65 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:33,907 INFO L82 PathProgramCache]: Analyzing trace with hash 1156818707, now seen corresponding path program 2 times [2018-02-04 03:33:33,907 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:33,917 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:34,484 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 03:33:34,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:34,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:33:34,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:34,563 INFO L182 omatonBuilderFactory]: Interpolants [56896#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.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)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 56897#(and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 56898#(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 8) 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 56899#(and (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8))))), 56900#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 56901#(and (= 0 |main_#t~mem40.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))))), 56902#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 main_~x~0.offset)), 56903#(= 1 (select |#valid| |main_#t~mem35.base|)), 56880#true, 56881#false, 56882#(= 0 |main_#t~malloc0.offset|), 56883#(= main_~head~0.offset 0), 56884#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 56885#(and (= 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)), 56886#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 56887#(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)), 56888#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 56889#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 56890#(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 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 56891#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 56892#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 56893#(and (= main_~x~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset 0)), 56894#(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))) (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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))), 56895#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:33:34,563 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 03:33:34,563 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:33:34,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:33:34,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:33:34,563 INFO L87 Difference]: Start difference. First operand 603 states and 687 transitions. Second operand 24 states. [2018-02-04 03:33:35,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:35,934 INFO L93 Difference]: Finished difference Result 921 states and 1041 transitions. [2018-02-04 03:33:35,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-02-04 03:33:35,934 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 79 [2018-02-04 03:33:35,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:35,935 INFO L225 Difference]: With dead ends: 921 [2018-02-04 03:33:35,935 INFO L226 Difference]: Without dead ends: 921 [2018-02-04 03:33:35,936 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 588 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=490, Invalid=2266, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:33:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-02-04 03:33:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 708. [2018-02-04 03:33:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2018-02-04 03:33:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 810 transitions. [2018-02-04 03:33:35,941 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 810 transitions. Word has length 79 [2018-02-04 03:33:35,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:35,941 INFO L432 AbstractCegarLoop]: Abstraction has 708 states and 810 transitions. [2018-02-04 03:33:35,941 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:33:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 810 transitions. [2018-02-04 03:33:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-02-04 03:33:35,942 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:35,942 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:35,942 INFO L371 AbstractCegarLoop]: === Iteration 66 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:35,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1156818708, now seen corresponding path program 2 times [2018-02-04 03:33:35,943 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:35,951 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:37,044 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 03:33:37,045 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:37,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:33:37,045 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:37,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:37,045 INFO L182 omatonBuilderFactory]: Interpolants [58591#true, 58592#false, 58593#(= 0 |main_#t~malloc0.offset|), 58594#(= main_~head~0.offset 0), 58595#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 58596#(and (= 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)), 58597#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 58598#(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)), 58599#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 58600#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 58601#(and (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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 58602#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 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) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 58603#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (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))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| 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)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 58604#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.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~malloc15.offset|)) main_~x~0.base) (+ main_~x~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 58605#(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))) (= (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))) (< 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 (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 58606#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 58607#(and (= (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)) (+ main_~head~0.offset 8))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 58608#(and (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 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 58609#(and (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.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 8) 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.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 8) main_~x~0.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 8) main_~x~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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 58610#(and (= (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)) (+ main_~head~0.offset 8))) (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 58611#(and (= (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 8))) (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 58612#(and (= 0 |main_#t~mem40.offset|) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))) (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8)))), 58613#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 58614#(and (= |main_#t~mem33.offset| main_~x~0.offset) (= main_~x~0.offset 0) (= |main_#t~mem33.base| main_~x~0.base)), 58615#(and (= main_~x~0.offset 0) (not |main_#t~short34|)), 58616#(and (not |main_#t~short37|) (= main_~x~0.offset 0))] [2018-02-04 03:33:37,045 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 03:33:37,045 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:33:37,045 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:33:37,045 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=558, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:33:37,046 INFO L87 Difference]: Start difference. First operand 708 states and 810 transitions. Second operand 26 states. [2018-02-04 03:33:39,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:39,294 INFO L93 Difference]: Finished difference Result 914 states and 1028 transitions. [2018-02-04 03:33:39,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-02-04 03:33:39,295 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 79 [2018-02-04 03:33:39,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:39,296 INFO L225 Difference]: With dead ends: 914 [2018-02-04 03:33:39,296 INFO L226 Difference]: Without dead ends: 914 [2018-02-04 03:33:39,296 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 975 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=678, Invalid=3354, Unknown=0, NotChecked=0, Total=4032 [2018-02-04 03:33:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2018-02-04 03:33:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 700. [2018-02-04 03:33:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2018-02-04 03:33:39,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 798 transitions. [2018-02-04 03:33:39,301 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 798 transitions. Word has length 79 [2018-02-04 03:33:39,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:39,301 INFO L432 AbstractCegarLoop]: Abstraction has 700 states and 798 transitions. [2018-02-04 03:33:39,301 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:33:39,301 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 798 transitions. [2018-02-04 03:33:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:33:39,302 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:39,302 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:39,302 INFO L371 AbstractCegarLoop]: === Iteration 67 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:39,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1832863493, now seen corresponding path program 1 times [2018-02-04 03:33:39,302 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:39,307 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:39,560 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:39,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:33:39,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:39,560 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 03:33:39,560 INFO L182 omatonBuilderFactory]: Interpolants [60320#(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))), 60321#(and (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem40.base|)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem40.base|)), 60322#(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))), 60323#(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)) (= (select |#valid| main_~x~0.base) 1)), 60324#(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))), 60325#(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))), 60326#(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))), 60327#(and (= 1 (select (store |#valid| main_~head~0.base 0) |main_#t~mem41.base|)) (not (= 0 main_~head~0.base))), 60328#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base))), 60329#(= 1 (select |#valid| main_~x~0.base)), 60307#true, 60308#false, 60309#(not (= 0 |main_#t~malloc0.base|)), 60310#(not (= 0 main_~head~0.base)), 60311#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base))), 60312#(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)), 60313#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 60314#(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)), 60315#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 60316#(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)), 60317#(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 |main_#t~mem19.base|))), 60318#(and (not (= 0 main_~head~0.base)) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset)))), 60319#(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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)))] [2018-02-04 03:33:39,560 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:39,560 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:33:39,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:33:39,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:33:39,561 INFO L87 Difference]: Start difference. First operand 700 states and 798 transitions. Second operand 23 states. [2018-02-04 03:33:40,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:40,409 INFO L93 Difference]: Finished difference Result 741 states and 837 transitions. [2018-02-04 03:33:40,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:33:40,409 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 80 [2018-02-04 03:33:40,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:40,410 INFO L225 Difference]: With dead ends: 741 [2018-02-04 03:33:40,410 INFO L226 Difference]: Without dead ends: 741 [2018-02-04 03:33:40,410 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=501, Invalid=1755, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:33:40,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-02-04 03:33:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 711. [2018-02-04 03:33:40,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 711 states. [2018-02-04 03:33:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 811 transitions. [2018-02-04 03:33:40,416 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 811 transitions. Word has length 80 [2018-02-04 03:33:40,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:40,416 INFO L432 AbstractCegarLoop]: Abstraction has 711 states and 811 transitions. [2018-02-04 03:33:40,416 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:33:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 811 transitions. [2018-02-04 03:33:40,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:33:40,417 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:40,417 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:40,417 INFO L371 AbstractCegarLoop]: === Iteration 68 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:40,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1832863494, now seen corresponding path program 1 times [2018-02-04 03:33:40,418 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:40,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:40,427 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:40,517 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:40,518 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:40,518 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:33:40,518 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:40,518 INFO L182 omatonBuilderFactory]: Interpolants [61840#(and (<= (+ |main_#t~mem41.offset| 16) (select |#length| |main_#t~mem41.base|)) (<= 0 |main_#t~mem41.offset|)), 61841#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)), 61832#true, 61833#false, 61834#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 61835#(and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem40.base|)), 61836#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 61837#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base))), 61838#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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))), 61839#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:33:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:40,518 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:33:40,519 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:33:40,519 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:33:40,519 INFO L87 Difference]: Start difference. First operand 711 states and 811 transitions. Second operand 10 states. [2018-02-04 03:33:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:40,831 INFO L93 Difference]: Finished difference Result 776 states and 886 transitions. [2018-02-04 03:33:40,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:33:40,831 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2018-02-04 03:33:40,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:40,832 INFO L225 Difference]: With dead ends: 776 [2018-02-04 03:33:40,832 INFO L226 Difference]: Without dead ends: 776 [2018-02-04 03:33:40,832 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:33:40,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2018-02-04 03:33:40,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 714. [2018-02-04 03:33:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2018-02-04 03:33:40,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 815 transitions. [2018-02-04 03:33:40,835 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 815 transitions. Word has length 80 [2018-02-04 03:33:40,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:40,835 INFO L432 AbstractCegarLoop]: Abstraction has 714 states and 815 transitions. [2018-02-04 03:33:40,836 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:33:40,836 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 815 transitions. [2018-02-04 03:33:40,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:33:40,836 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:40,836 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:40,836 INFO L371 AbstractCegarLoop]: === Iteration 69 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:40,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1764842852, now seen corresponding path program 1 times [2018-02-04 03:33:40,837 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:40,842 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:33:40,968 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:40,968 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:33:40,968 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:40,969 INFO L182 omatonBuilderFactory]: Interpolants [63344#true, 63345#false, 63346#(= 0 |main_#t~malloc0.offset|), 63347#(= main_~head~0.offset 0), 63348#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 63349#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem38.offset|) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 63350#(and (= main_~head~0.offset 0) (or (and (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short39|))), 63351#(and (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 63352#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 63353#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 63354#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))), 63355#(= 0 |main_#t~mem43.offset|)] [2018-02-04 03:33:40,969 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:33:40,969 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:33:40,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:33:40,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:33:40,969 INFO L87 Difference]: Start difference. First operand 714 states and 815 transitions. Second operand 12 states. [2018-02-04 03:33:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:41,247 INFO L93 Difference]: Finished difference Result 870 states and 987 transitions. [2018-02-04 03:33:41,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:33:41,247 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 80 [2018-02-04 03:33:41,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:41,248 INFO L225 Difference]: With dead ends: 870 [2018-02-04 03:33:41,248 INFO L226 Difference]: Without dead ends: 870 [2018-02-04 03:33:41,248 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:33:41,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-02-04 03:33:41,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 846. [2018-02-04 03:33:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-02-04 03:33:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 974 transitions. [2018-02-04 03:33:41,255 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 974 transitions. Word has length 80 [2018-02-04 03:33:41,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:41,255 INFO L432 AbstractCegarLoop]: Abstraction has 846 states and 974 transitions. [2018-02-04 03:33:41,255 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:33:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 974 transitions. [2018-02-04 03:33:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-02-04 03:33:41,256 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:41,256 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:41,256 INFO L371 AbstractCegarLoop]: === Iteration 70 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:41,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1764842851, now seen corresponding path program 1 times [2018-02-04 03:33:41,257 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:41,264 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:41,448 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 03:33:41,448 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:41,448 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:33:41,449 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:41,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:41,449 INFO L182 omatonBuilderFactory]: Interpolants [65094#true, 65095#false, 65096#(= 0 |main_#t~malloc0.offset|), 65097#(= main_~head~0.offset 0), 65098#(and (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 65099#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 65100#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 65101#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~mem38.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 65102#(and (or (not |main_#t~short39|) (and (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 65103#(and (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 65104#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 65105#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 65106#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 65107#(= 1 (select |#valid| |main_#t~mem43.base|))] [2018-02-04 03:33:41,449 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 03:33:41,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-02-04 03:33:41,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-02-04 03:33:41,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-02-04 03:33:41,449 INFO L87 Difference]: Start difference. First operand 846 states and 974 transitions. Second operand 14 states. [2018-02-04 03:33:41,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:41,746 INFO L93 Difference]: Finished difference Result 857 states and 972 transitions. [2018-02-04 03:33:41,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:33:41,746 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 80 [2018-02-04 03:33:41,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:41,747 INFO L225 Difference]: With dead ends: 857 [2018-02-04 03:33:41,747 INFO L226 Difference]: Without dead ends: 857 [2018-02-04 03:33:41,747 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=405, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:33:41,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2018-02-04 03:33:41,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 846. [2018-02-04 03:33:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-02-04 03:33:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 972 transitions. [2018-02-04 03:33:41,751 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 972 transitions. Word has length 80 [2018-02-04 03:33:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:41,751 INFO L432 AbstractCegarLoop]: Abstraction has 846 states and 972 transitions. [2018-02-04 03:33:41,751 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-02-04 03:33:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 972 transitions. [2018-02-04 03:33:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:33:41,752 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:41,752 INFO L351 BasicCegarLoop]: trace histogram [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] [2018-02-04 03:33:41,752 INFO L371 AbstractCegarLoop]: === Iteration 71 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:41,752 INFO L82 PathProgramCache]: Analyzing trace with hash 984192519, now seen corresponding path program 1 times [2018-02-04 03:33:41,752 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:41,757 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:41,838 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:41,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:33:41,839 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:41,839 INFO L182 omatonBuilderFactory]: Interpolants [66833#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 66832#false, 66835#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 66834#(and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 66837#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 66836#(or (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 66839#(or (not (= 0 main_~x~0.offset)) (not (= 0 main_~x~0.base))), 66838#(or (not (= 0 |main_#t~mem41.base|)) (not (= 0 |main_#t~mem41.offset|))), 66831#true] [2018-02-04 03:33:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:41,840 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 03:33:41,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 03:33:41,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:33:41,840 INFO L87 Difference]: Start difference. First operand 846 states and 972 transitions. Second operand 9 states. [2018-02-04 03:33:42,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:42,097 INFO L93 Difference]: Finished difference Result 926 states and 1072 transitions. [2018-02-04 03:33:42,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-02-04 03:33:42,097 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2018-02-04 03:33:42,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:42,098 INFO L225 Difference]: With dead ends: 926 [2018-02-04 03:33:42,098 INFO L226 Difference]: Without dead ends: 926 [2018-02-04 03:33:42,099 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2018-02-04 03:33:42,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-02-04 03:33:42,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 846. [2018-02-04 03:33:42,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-02-04 03:33:42,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 970 transitions. [2018-02-04 03:33:42,106 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 970 transitions. Word has length 81 [2018-02-04 03:33:42,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:42,106 INFO L432 AbstractCegarLoop]: Abstraction has 846 states and 970 transitions. [2018-02-04 03:33:42,106 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 03:33:42,106 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 970 transitions. [2018-02-04 03:33:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-02-04 03:33:42,107 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:42,107 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:42,108 INFO L371 AbstractCegarLoop]: === Iteration 72 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:42,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1086209615, now seen corresponding path program 2 times [2018-02-04 03:33:42,108 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:42,120 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:33:42,413 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:42,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:33:42,413 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:42,414 INFO L182 omatonBuilderFactory]: Interpolants [68641#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 68640#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|))), 68643#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 68642#(not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 68645#(not (= 0 |main_#t~mem40.base|)), 68644#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 68646#(not (= 0 main_~x~0.base)), 68627#false, 68626#true, 68629#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 68628#(= (select |#valid| main_~head~0.base) 1), 68631#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 68630#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 68633#(and (not (= 0 (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 |main_#t~mem19.base|))), 68632#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 68635#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 68634#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 68637#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~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)))), 68636#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 68639#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 68638#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))))] [2018-02-04 03:33:42,414 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:33:42,414 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:33:42,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:33:42,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:33:42,414 INFO L87 Difference]: Start difference. First operand 846 states and 970 transitions. Second operand 21 states. [2018-02-04 03:33:43,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:43,137 INFO L93 Difference]: Finished difference Result 1224 states and 1407 transitions. [2018-02-04 03:33:43,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:33:43,137 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 81 [2018-02-04 03:33:43,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:43,139 INFO L225 Difference]: With dead ends: 1224 [2018-02-04 03:33:43,139 INFO L226 Difference]: Without dead ends: 1224 [2018-02-04 03:33:43,139 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=242, Invalid=948, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:33:43,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2018-02-04 03:33:43,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 937. [2018-02-04 03:33:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2018-02-04 03:33:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1068 transitions. [2018-02-04 03:33:43,148 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1068 transitions. Word has length 81 [2018-02-04 03:33:43,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:43,148 INFO L432 AbstractCegarLoop]: Abstraction has 937 states and 1068 transitions. [2018-02-04 03:33:43,148 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:33:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1068 transitions. [2018-02-04 03:33:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:43,149 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:43,149 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:43,149 INFO L371 AbstractCegarLoop]: === Iteration 73 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:43,150 INFO L82 PathProgramCache]: Analyzing trace with hash -1158365101, now seen corresponding path program 1 times [2018-02-04 03:33:43,150 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:43,172 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:44,397 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:44,397 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:44,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:33:44,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:44,398 INFO L182 omatonBuilderFactory]: Interpolants [70849#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| |main_#t~malloc23.base|) 1) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0)), 70848#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 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)), 70851#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~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) (<= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~x~0.base) 1) (not (= main_~x~0.base |main_#t~mem25.base|))), 70850#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= 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))), 70853#(and (or (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)) (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset 0)), 70852#(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 8)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 70855#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (<= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 70854#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (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 8)))) (< 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (= main_~head~0.offset 0)), 70857#(and (= main_~head~0.offset 0) (or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (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)) (+ main_~head~0.offset 8))))))), 70856#(and (= main_~head~0.offset 0) (or (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) (+ main_~x~0.offset 8)))) (< 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) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 70859#(and (or (and (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)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (= main_~head~0.offset 0)), 70858#(and (or (and (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 70861#(and (or (and (= 0 (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)) (+ main_~head~0.offset 8))))) (and (= 0 (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)))) (= main_~head~0.offset 0)), 70860#(and (or (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 8) 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) 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)), 70863#(or (and (= 0 |main_#t~mem40.offset|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 70862#(or (and (= 0 (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))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 70865#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 70864#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 70866#(= 1 (select |#valid| |main_#t~mem35.base|)), 70837#false, 70836#true, 70839#(= main_~head~0.offset 0), 70838#(= |main_#t~malloc0.offset| 0), 70841#(and (= 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)), 70840#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 70843#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 70842#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 70845#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 70844#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 70847#(and (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#length| main_~x~0.base) 16)) (<= main_~head~0.offset main_~x~0.offset) (or (not (= main_~head~0.offset main_~x~0.offset)) (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)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1))) (= main_~head~0.offset 0)), 70846#(and (or (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 0)) 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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.offset main_~x~0.offset))) (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#length| main_~x~0.base) 16)) (= main_~head~0.offset 0))] [2018-02-04 03:33:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:44,399 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:33:44,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:33:44,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:33:44,399 INFO L87 Difference]: Start difference. First operand 937 states and 1068 transitions. Second operand 31 states. [2018-02-04 03:33:47,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:47,441 INFO L93 Difference]: Finished difference Result 1314 states and 1498 transitions. [2018-02-04 03:33:47,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:33:47,441 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-02-04 03:33:47,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:47,443 INFO L225 Difference]: With dead ends: 1314 [2018-02-04 03:33:47,443 INFO L226 Difference]: Without dead ends: 1314 [2018-02-04 03:33:47,443 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1288 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=876, Invalid=4674, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:33:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2018-02-04 03:33:47,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1028. [2018-02-04 03:33:47,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2018-02-04 03:33:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1177 transitions. [2018-02-04 03:33:47,463 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1177 transitions. Word has length 82 [2018-02-04 03:33:47,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:47,463 INFO L432 AbstractCegarLoop]: Abstraction has 1028 states and 1177 transitions. [2018-02-04 03:33:47,463 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:33:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1177 transitions. [2018-02-04 03:33:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:47,464 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:47,464 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:47,464 INFO L371 AbstractCegarLoop]: === Iteration 74 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:47,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1158365100, now seen corresponding path program 1 times [2018-02-04 03:33:47,465 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:47,482 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:48,879 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:48,879 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-02-04 03:33:48,879 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:48,879 INFO L182 omatonBuilderFactory]: Interpolants [73297#true, 73299#(= |main_#t~malloc0.offset| 0), 73298#false, 73301#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 73300#(= main_~head~0.offset 0), 73303#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 73302#(and (= 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)), 73305#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 73304#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 73307#(and (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#length| main_~x~0.base) 16)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (or (<= (+ main_~head~0.offset 1) main_~x~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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)))) (= 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 0)) main_~head~0.base) main_~head~0.offset))), 73306#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 73309#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 73308#(and (or (<= (+ main_~head~0.offset 1) main_~x~0.offset) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset))) (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#length| main_~x~0.base) 16)) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 73311#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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))), 73310#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| |main_#t~malloc23.base|) 1) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc23.base|)) (= 0 |main_#t~malloc23.offset|)), 73313#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (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)) (= (select |#valid| main_~x~0.base) 1)), 73312#(and (= (select |#length| |main_#t~mem25.base|) 16) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (not (= main_~x~0.base |main_#t~mem25.base|))), 73315#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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) (+ main_~x~0.offset 8))) (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))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 73314#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (<= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8)))) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~x~0.offset 8))) (= 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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)) (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)))), 73317#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (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))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 73316#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))))), 73319#(or (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ 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 0)) main_~head~0.base) main_~head~0.offset))) (<= 16 (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 73318#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 73321#(or (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (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 8) main_~x~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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (<= 16 (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 8) 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0))), 73320#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 73323#(or (and (= 0 (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))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 73322#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 73325#(or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 73324#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (and (= 0 |main_#t~mem40.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8)))))), 73327#(and (= |main_#t~mem35.offset| 0) (<= 16 (select |#length| |main_#t~mem35.base|))), 73326#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0))] [2018-02-04 03:33:48,880 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:48,880 INFO L409 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-02-04 03:33:48,880 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-02-04 03:33:48,880 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=827, Unknown=0, NotChecked=0, Total=930 [2018-02-04 03:33:48,880 INFO L87 Difference]: Start difference. First operand 1028 states and 1177 transitions. Second operand 31 states. [2018-02-04 03:33:50,669 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 134 DAG size of output 74 [2018-02-04 03:33:50,959 WARN L146 SmtUtils]: Spent 100ms on a formula simplification. DAG size of input: 130 DAG size of output 80 [2018-02-04 03:33:51,122 WARN L146 SmtUtils]: Spent 116ms on a formula simplification. DAG size of input: 161 DAG size of output 83 [2018-02-04 03:33:51,273 WARN L146 SmtUtils]: Spent 121ms on a formula simplification. DAG size of input: 120 DAG size of output 73 [2018-02-04 03:33:51,636 WARN L146 SmtUtils]: Spent 130ms on a formula simplification. DAG size of input: 147 DAG size of output 92 [2018-02-04 03:33:52,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:52,882 INFO L93 Difference]: Finished difference Result 1253 states and 1429 transitions. [2018-02-04 03:33:52,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:33:52,882 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 82 [2018-02-04 03:33:52,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:52,883 INFO L225 Difference]: With dead ends: 1253 [2018-02-04 03:33:52,883 INFO L226 Difference]: Without dead ends: 1253 [2018-02-04 03:33:52,884 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=837, Invalid=4275, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:33:52,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2018-02-04 03:33:52,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1028. [2018-02-04 03:33:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2018-02-04 03:33:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1174 transitions. [2018-02-04 03:33:52,889 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1174 transitions. Word has length 82 [2018-02-04 03:33:52,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:52,889 INFO L432 AbstractCegarLoop]: Abstraction has 1028 states and 1174 transitions. [2018-02-04 03:33:52,889 INFO L433 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-02-04 03:33:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1174 transitions. [2018-02-04 03:33:52,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:52,890 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:52,890 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:52,890 INFO L371 AbstractCegarLoop]: === Iteration 75 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:52,890 INFO L82 PathProgramCache]: Analyzing trace with hash 445231046, now seen corresponding path program 1 times [2018-02-04 03:33:52,891 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:52,897 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-02-04 03:33:52,912 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:33:52,912 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 03:33:52,912 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:52,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:52,913 INFO L182 omatonBuilderFactory]: Interpolants [75691#true, 75693#(= main_~x~0.base main_~head~0.base), 75692#false, 75694#(= 1 (select |#valid| main_~head~0.base))] [2018-02-04 03:33:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-02-04 03:33:52,913 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 03:33:52,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 03:33:52,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-04 03:33:52,913 INFO L87 Difference]: Start difference. First operand 1028 states and 1174 transitions. Second operand 4 states. [2018-02-04 03:33:53,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:53,005 INFO L93 Difference]: Finished difference Result 1028 states and 1173 transitions. [2018-02-04 03:33:53,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 03:33:53,005 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-02-04 03:33:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:53,006 INFO L225 Difference]: With dead ends: 1028 [2018-02-04 03:33:53,006 INFO L226 Difference]: Without dead ends: 1028 [2018-02-04 03:33:53,006 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-04 03:33:53,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1028 states. [2018-02-04 03:33:53,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1028 to 1027. [2018-02-04 03:33:53,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2018-02-04 03:33:53,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1173 transitions. [2018-02-04 03:33:53,010 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1173 transitions. Word has length 82 [2018-02-04 03:33:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:53,010 INFO L432 AbstractCegarLoop]: Abstraction has 1027 states and 1173 transitions. [2018-02-04 03:33:53,010 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 03:33:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1173 transitions. [2018-02-04 03:33:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:53,011 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:53,011 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:53,011 INFO L371 AbstractCegarLoop]: === Iteration 76 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:53,011 INFO L82 PathProgramCache]: Analyzing trace with hash 445231047, now seen corresponding path program 1 times [2018-02-04 03:33:53,012 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:53,019 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:53,123 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:53,123 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:53,123 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-02-04 03:33:53,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:53,124 INFO L182 omatonBuilderFactory]: Interpolants [77761#(<= (+ |main_#t~mem41.offset| 16) (select |#length| |main_#t~mem41.base|)), 77760#(<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 77763#(and (= main_~x~0.offset main_~head~0.offset) (<= (+ main_~x~0.offset 16) (select |#length| main_~head~0.base))), 77762#(<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)), 77764#(and (<= (+ main_~head~0.offset 16) (select |#length| main_~head~0.base)) (<= 0 main_~head~0.offset)), 77753#true, 77755#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 77754#false, 77757#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 77756#(and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem40.base|)), 77759#(<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 77758#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base)))] [2018-02-04 03:33:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:33:53,124 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:33:53,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:33:53,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:33:53,124 INFO L87 Difference]: Start difference. First operand 1027 states and 1173 transitions. Second operand 12 states. [2018-02-04 03:33:53,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:53,492 INFO L93 Difference]: Finished difference Result 1135 states and 1306 transitions. [2018-02-04 03:33:53,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:33:53,492 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2018-02-04 03:33:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:53,493 INFO L225 Difference]: With dead ends: 1135 [2018-02-04 03:33:53,493 INFO L226 Difference]: Without dead ends: 1135 [2018-02-04 03:33:53,494 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:33:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2018-02-04 03:33:53,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1031. [2018-02-04 03:33:53,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2018-02-04 03:33:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1178 transitions. [2018-02-04 03:33:53,502 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1178 transitions. Word has length 82 [2018-02-04 03:33:53,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:53,502 INFO L432 AbstractCegarLoop]: Abstraction has 1031 states and 1178 transitions. [2018-02-04 03:33:53,502 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:33:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1178 transitions. [2018-02-04 03:33:53,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:53,503 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:53,503 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:53,503 INFO L371 AbstractCegarLoop]: === Iteration 77 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:53,503 INFO L82 PathProgramCache]: Analyzing trace with hash 498107201, now seen corresponding path program 1 times [2018-02-04 03:33:53,504 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:53,520 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:53,788 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 03:33:53,788 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:53,788 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:33:53,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:53,788 INFO L182 omatonBuilderFactory]: Interpolants [79949#true, 79951#(= 0 |main_#t~malloc0.offset|), 79950#false, 79953#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 79952#(= main_~head~0.offset 0), 79955#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 79954#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 79957#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 79956#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 79959#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 79958#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 79961#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 79960#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 79963#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 79962#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 79965#(= 0 |main_#t~mem42|), 79964#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))] [2018-02-04 03:33:53,788 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 03:33:53,788 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-02-04 03:33:53,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-02-04 03:33:53,789 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:33:53,789 INFO L87 Difference]: Start difference. First operand 1031 states and 1178 transitions. Second operand 17 states. [2018-02-04 03:33:54,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:54,193 INFO L93 Difference]: Finished difference Result 1148 states and 1300 transitions. [2018-02-04 03:33:54,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-02-04 03:33:54,193 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 82 [2018-02-04 03:33:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:54,194 INFO L225 Difference]: With dead ends: 1148 [2018-02-04 03:33:54,194 INFO L226 Difference]: Without dead ends: 1109 [2018-02-04 03:33:54,194 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=543, Unknown=0, NotChecked=0, Total=756 [2018-02-04 03:33:54,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1109 states. [2018-02-04 03:33:54,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1109 to 1060. [2018-02-04 03:33:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1060 states. [2018-02-04 03:33:54,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1210 transitions. [2018-02-04 03:33:54,202 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1210 transitions. Word has length 82 [2018-02-04 03:33:54,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:54,203 INFO L432 AbstractCegarLoop]: Abstraction has 1060 states and 1210 transitions. [2018-02-04 03:33:54,203 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-02-04 03:33:54,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1210 transitions. [2018-02-04 03:33:54,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:54,204 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:54,204 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:54,204 INFO L371 AbstractCegarLoop]: === Iteration 78 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:54,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1463302455, now seen corresponding path program 2 times [2018-02-04 03:33:54,205 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:54,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:55,143 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:55,143 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:33:55,143 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:55,144 INFO L182 omatonBuilderFactory]: Interpolants [82197#false, 82196#true, 82199#(= main_~head~0.offset 0), 82198#(= 0 |main_#t~malloc0.offset|), 82201#(and (= 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)), 82200#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 82203#(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)), 82202#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 82205#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 82204#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 82207#(and (= main_~head~0.offset main_~x~0.offset) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base)), 82206#(and (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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.offset main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 82209#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8))) (= main_~head~0.offset 0)), 82208#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (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 |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 82211#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 82210#(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))) (= main_~head~0.offset main_~x~0.offset) (= (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))) (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) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 82213#(and (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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 82212#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 82215#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 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)))) (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 82214#(and (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.offset|)) 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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.base|)) (= main_~head~0.offset 0)), 82217#(and (or (and (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (and (= 0 (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)))) (= main_~head~0.offset 0)), 82216#(and (or (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~mem25.base| main_~head~0.base) (= |main_#t~mem25.offset| main_~head~0.offset))) (= main_~head~0.offset 0)), 82219#(or (and (= 0 |main_#t~mem40.offset|) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8)))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 82218#(or (and (= 0 (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))) (and (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 82221#(and (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 82220#(or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 82223#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset 0) (= |main_#t~mem33.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= |main_#t~mem33.base| main_~x~0.base)), 82222#(and (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= (select |#valid| main_~x~0.base) 1)), 82225#(= 1 (select |#valid| |main_#t~mem35.base|)), 82224#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))))] [2018-02-04 03:33:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:55,144 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:33:55,144 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:33:55,144 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:33:55,144 INFO L87 Difference]: Start difference. First operand 1060 states and 1210 transitions. Second operand 30 states. [2018-02-04 03:33:57,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:33:57,497 INFO L93 Difference]: Finished difference Result 1526 states and 1727 transitions. [2018-02-04 03:33:57,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-02-04 03:33:57,497 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 82 [2018-02-04 03:33:57,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:33:57,499 INFO L225 Difference]: With dead ends: 1526 [2018-02-04 03:33:57,499 INFO L226 Difference]: Without dead ends: 1526 [2018-02-04 03:33:57,499 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=739, Invalid=4373, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:33:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2018-02-04 03:33:57,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1163. [2018-02-04 03:33:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2018-02-04 03:33:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1331 transitions. [2018-02-04 03:33:57,506 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1331 transitions. Word has length 82 [2018-02-04 03:33:57,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:33:57,506 INFO L432 AbstractCegarLoop]: Abstraction has 1163 states and 1331 transitions. [2018-02-04 03:33:57,506 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:33:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1331 transitions. [2018-02-04 03:33:57,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:33:57,507 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:33:57,507 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:33:57,507 INFO L371 AbstractCegarLoop]: === Iteration 79 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:33:57,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1463302454, now seen corresponding path program 2 times [2018-02-04 03:33:57,508 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:33:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:33:57,534 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:33:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:58,776 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:33:58,776 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:33:58,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:33:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:58,777 INFO L182 omatonBuilderFactory]: Interpolants [84999#true, 85001#(= 0 |main_#t~malloc0.offset|), 85000#false, 85003#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 85002#(= main_~head~0.offset 0), 85005#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 85004#(and (= 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)), 85007#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 85006#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.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)), 85009#(and (or (< main_~x~0.offset main_~head~0.offset) (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 0)) main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0)), 85008#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (not (= 0 (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 |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 85011#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (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))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 85010#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 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_~x~0.base)), 85013#(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 (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (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))) (< 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) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 85012#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset) (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~x~0.offset 8)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~head~0.offset 0) (<= main_~head~0.offset main_~x~0.offset)), 85015#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8)) (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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 85014#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8))) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (<= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 85017#(and (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.offset|)) 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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset))), 85016#(and (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) 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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 85019#(and (or (and (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem25.base| main_~head~0.base) (= |main_#t~mem25.offset| main_~head~0.offset))) (= main_~head~0.offset 0)), 85018#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8)) (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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 85021#(or (and (= 0 (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))) (and (= (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 8))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)) (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))), 85020#(and (or (and (= 0 (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)) (+ main_~head~0.offset 8)) (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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (and (= 0 (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)))) (= main_~head~0.offset 0)), 85023#(or (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 85022#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (and (= 0 |main_#t~mem40.offset|) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))) (= (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8)) |main_#t~mem40.offset|))), 85025#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0) (= |main_#t~mem33.base| main_~x~0.base) (= |main_#t~mem33.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)))), 85024#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 85027#(not |main_#t~short37|), 85026#(not |main_#t~short34|)] [2018-02-04 03:33:58,777 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:33:58,778 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:33:58,778 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:33:58,778 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=711, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:33:58,778 INFO L87 Difference]: Start difference. First operand 1163 states and 1331 transitions. Second operand 29 states. [2018-02-04 03:34:01,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:01,980 INFO L93 Difference]: Finished difference Result 1563 states and 1760 transitions. [2018-02-04 03:34:01,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 03:34:01,980 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 82 [2018-02-04 03:34:01,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:01,982 INFO L225 Difference]: With dead ends: 1563 [2018-02-04 03:34:01,982 INFO L226 Difference]: Without dead ends: 1563 [2018-02-04 03:34:01,982 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1796 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=926, Invalid=5880, Unknown=0, NotChecked=0, Total=6806 [2018-02-04 03:34:01,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2018-02-04 03:34:01,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1133. [2018-02-04 03:34:01,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2018-02-04 03:34:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1292 transitions. [2018-02-04 03:34:01,989 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1292 transitions. Word has length 82 [2018-02-04 03:34:01,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:01,989 INFO L432 AbstractCegarLoop]: Abstraction has 1133 states and 1292 transitions. [2018-02-04 03:34:01,989 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:34:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1292 transitions. [2018-02-04 03:34:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-02-04 03:34:01,990 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:01,990 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:01,990 INFO L371 AbstractCegarLoop]: === Iteration 80 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:01,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1295816647, now seen corresponding path program 1 times [2018-02-04 03:34:01,991 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:01,997 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:02,782 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:02,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:34:02,783 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:02,783 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 03:34:02,783 INFO L182 omatonBuilderFactory]: Interpolants [87841#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 87840#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 87843#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= 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 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 87842#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 87845#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 87844#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 87847#(and (= 0 |main_#t~mem40.offset|) (= main_~head~0.offset 0) (= (select (select |#memory_int| |main_#t~mem40.base|) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 87846#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 12)) (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= 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)), 87849#(and (= |main_#t~mem32| (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 87848#(and (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)) (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 87851#(and (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0)), 87850#(and (or (not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))) |main_#t~short34|) (= main_~head~0.offset 0)), 87853#(not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 87852#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset)), 87854#(not (= 2 |main_#t~mem42|)), 87833#false, 87832#true, 87835#(= main_~head~0.offset 0), 87834#(= 0 |main_#t~malloc0.offset|), 87837#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 87836#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 87839#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 87838#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= 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))] [2018-02-04 03:34:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:02,783 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:34:02,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:34:02,783 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=410, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:34:02,783 INFO L87 Difference]: Start difference. First operand 1133 states and 1292 transitions. Second operand 23 states. [2018-02-04 03:34:03,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:03,917 INFO L93 Difference]: Finished difference Result 1323 states and 1477 transitions. [2018-02-04 03:34:03,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:34:03,917 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 82 [2018-02-04 03:34:03,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:03,918 INFO L225 Difference]: With dead ends: 1323 [2018-02-04 03:34:03,918 INFO L226 Difference]: Without dead ends: 1245 [2018-02-04 03:34:03,918 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 660 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=751, Invalid=2441, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 03:34:03,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2018-02-04 03:34:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1100. [2018-02-04 03:34:03,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2018-02-04 03:34:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1255 transitions. [2018-02-04 03:34:03,923 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1255 transitions. Word has length 82 [2018-02-04 03:34:03,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:03,923 INFO L432 AbstractCegarLoop]: Abstraction has 1100 states and 1255 transitions. [2018-02-04 03:34:03,924 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:34:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1255 transitions. [2018-02-04 03:34:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:34:03,924 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:03,924 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:03,924 INFO L371 AbstractCegarLoop]: === Iteration 81 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:03,925 INFO L82 PathProgramCache]: Analyzing trace with hash -758983307, now seen corresponding path program 1 times [2018-02-04 03:34:03,925 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:03,935 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:04,466 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:04,466 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:34:04,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:04,466 INFO L182 omatonBuilderFactory]: Interpolants [90368#(= 0 |main_#t~mem43.offset|), 90347#false, 90346#true, 90349#(= main_~head~0.offset 0), 90348#(= |main_#t~malloc0.offset| 0), 90351#(and (= main_~head~0.offset |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 90350#(and (= (select |#valid| main_~head~0.base) 1) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 90353#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 90352#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 90355#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= 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)), 90354#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 90357#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (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 1)) (= 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)), 90356#(and (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 90359#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 90358#(and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 90361#(and (= main_~head~0.offset 0) (or (< main_~x~0.offset main_~head~0.offset) (and (or (= main_~head~0.offset (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset 0)))), 90360#(and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 |main_#t~mem19.offset|)), 90363#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 90362#(and (or (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 90365#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem33.offset|) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 90364#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 90367#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 90366#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0))] [2018-02-04 03:34:04,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:04,467 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:34:04,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:34:04,467 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:34:04,467 INFO L87 Difference]: Start difference. First operand 1100 states and 1255 transitions. Second operand 23 states. [2018-02-04 03:34:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:05,747 INFO L93 Difference]: Finished difference Result 1297 states and 1456 transitions. [2018-02-04 03:34:05,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:34:05,747 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 84 [2018-02-04 03:34:05,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:05,749 INFO L225 Difference]: With dead ends: 1297 [2018-02-04 03:34:05,749 INFO L226 Difference]: Without dead ends: 1297 [2018-02-04 03:34:05,749 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=778, Invalid=2414, Unknown=0, NotChecked=0, Total=3192 [2018-02-04 03:34:05,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2018-02-04 03:34:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1121. [2018-02-04 03:34:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2018-02-04 03:34:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1277 transitions. [2018-02-04 03:34:05,755 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1277 transitions. Word has length 84 [2018-02-04 03:34:05,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:05,755 INFO L432 AbstractCegarLoop]: Abstraction has 1121 states and 1277 transitions. [2018-02-04 03:34:05,755 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:34:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1277 transitions. [2018-02-04 03:34:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:34:05,756 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:05,756 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:05,756 INFO L371 AbstractCegarLoop]: === Iteration 82 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:05,756 INFO L82 PathProgramCache]: Analyzing trace with hash -758983306, now seen corresponding path program 1 times [2018-02-04 03:34:05,756 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:05,764 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:34:05,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:05,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-04 03:34:05,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:05,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:05,862 INFO L182 omatonBuilderFactory]: Interpolants [92864#(= 1 (select |#valid| |main_#t~mem43.base|)), 92855#true, 92857#(= 0 |main_#t~malloc0.offset|), 92856#false, 92859#(and (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 92858#(= main_~head~0.offset 0), 92861#(and (= main_~head~0.offset main_~x~0.offset) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 92860#(and (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem35.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 92863#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 92862#(and (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))))] [2018-02-04 03:34:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:34:05,863 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-02-04 03:34:05,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-02-04 03:34:05,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-04 03:34:05,863 INFO L87 Difference]: Start difference. First operand 1121 states and 1277 transitions. Second operand 10 states. [2018-02-04 03:34:06,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:06,072 INFO L93 Difference]: Finished difference Result 1307 states and 1478 transitions. [2018-02-04 03:34:06,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 03:34:06,073 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-02-04 03:34:06,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:06,074 INFO L225 Difference]: With dead ends: 1307 [2018-02-04 03:34:06,074 INFO L226 Difference]: Without dead ends: 1307 [2018-02-04 03:34:06,074 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2018-02-04 03:34:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2018-02-04 03:34:06,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1088. [2018-02-04 03:34:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1088 states. [2018-02-04 03:34:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 1088 states and 1240 transitions. [2018-02-04 03:34:06,079 INFO L78 Accepts]: Start accepts. Automaton has 1088 states and 1240 transitions. Word has length 84 [2018-02-04 03:34:06,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:06,080 INFO L432 AbstractCegarLoop]: Abstraction has 1088 states and 1240 transitions. [2018-02-04 03:34:06,080 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-02-04 03:34:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1240 transitions. [2018-02-04 03:34:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:34:06,080 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:06,080 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:06,081 INFO L371 AbstractCegarLoop]: === Iteration 83 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:06,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1184789775, now seen corresponding path program 1 times [2018-02-04 03:34:06,081 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:06,090 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:34:06,334 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:06,334 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:34:06,334 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:06,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:06,334 INFO L182 omatonBuilderFactory]: Interpolants [95297#(not (= 0 main_~x~0.base)), 95296#(not (= 0 |main_#t~mem40.base|)), 95275#false, 95274#true, 95277#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 95276#(= (select |#valid| main_~head~0.base) 1), 95279#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 95278#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 95281#(and (not (= 0 (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 |main_#t~mem19.base|))), 95280#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 95283#(and (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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))), 95282#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 95285#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 95284#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= 0 (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))), 95287#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 95286#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 95289#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 95288#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~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)))), 95291#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|))), 95290#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 95293#(not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 95292#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 95295#(not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 95294#(not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:34:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-04 03:34:06,335 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:34:06,335 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:34:06,335 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=460, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:34:06,335 INFO L87 Difference]: Start difference. First operand 1088 states and 1240 transitions. Second operand 24 states. [2018-02-04 03:34:07,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:07,483 INFO L93 Difference]: Finished difference Result 1164 states and 1326 transitions. [2018-02-04 03:34:07,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-02-04 03:34:07,483 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 84 [2018-02-04 03:34:07,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:07,484 INFO L225 Difference]: With dead ends: 1164 [2018-02-04 03:34:07,484 INFO L226 Difference]: Without dead ends: 1164 [2018-02-04 03:34:07,485 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=486, Invalid=1964, Unknown=0, NotChecked=0, Total=2450 [2018-02-04 03:34:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-02-04 03:34:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 906. [2018-02-04 03:34:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-02-04 03:34:07,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1028 transitions. [2018-02-04 03:34:07,489 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1028 transitions. Word has length 84 [2018-02-04 03:34:07,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:07,490 INFO L432 AbstractCegarLoop]: Abstraction has 906 states and 1028 transitions. [2018-02-04 03:34:07,490 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:34:07,490 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1028 transitions. [2018-02-04 03:34:07,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-02-04 03:34:07,490 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:07,490 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:07,491 INFO L371 AbstractCegarLoop]: === Iteration 84 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:07,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1629688280, now seen corresponding path program 1 times [2018-02-04 03:34:07,491 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:07,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:07,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:07,658 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:07,659 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-02-04 03:34:07,659 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:07,659 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 03:34:07,659 INFO L182 omatonBuilderFactory]: Interpolants [97421#false, 97420#true, 97423#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 97422#(= (select |#valid| main_~head~0.base) 1), 97425#(and (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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 97424#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|))), 97427#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)))), 97426#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base main_~head~0.base)), 97429#(= 16 (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 97428#(and (= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 97431#(and (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 97430#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 97433#(= 16 (select |#length| |main_#t~mem41.base|)), 97432#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 97435#(and (= (select |#length| main_~head~0.base) 16) (= main_~x~0.offset main_~head~0.offset)), 97434#(= 16 (select |#length| main_~x~0.base)), 97437#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset)), 97436#(and (= (select |#length| main_~head~0.base) 16) (<= 0 main_~head~0.offset))] [2018-02-04 03:34:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:07,659 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-02-04 03:34:07,659 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-02-04 03:34:07,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2018-02-04 03:34:07,659 INFO L87 Difference]: Start difference. First operand 906 states and 1028 transitions. Second operand 18 states. [2018-02-04 03:34:08,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:08,218 INFO L93 Difference]: Finished difference Result 974 states and 1096 transitions. [2018-02-04 03:34:08,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-02-04 03:34:08,218 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 84 [2018-02-04 03:34:08,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:08,219 INFO L225 Difference]: With dead ends: 974 [2018-02-04 03:34:08,219 INFO L226 Difference]: Without dead ends: 974 [2018-02-04 03:34:08,219 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=954, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:34:08,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2018-02-04 03:34:08,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 963. [2018-02-04 03:34:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-02-04 03:34:08,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1091 transitions. [2018-02-04 03:34:08,224 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1091 transitions. Word has length 84 [2018-02-04 03:34:08,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:08,224 INFO L432 AbstractCegarLoop]: Abstraction has 963 states and 1091 transitions. [2018-02-04 03:34:08,224 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-02-04 03:34:08,224 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1091 transitions. [2018-02-04 03:34:08,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:08,224 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:08,225 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:08,225 INFO L371 AbstractCegarLoop]: === Iteration 85 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:08,225 INFO L82 PathProgramCache]: Analyzing trace with hash -994682021, now seen corresponding path program 1 times [2018-02-04 03:34:08,225 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:08,235 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:08,801 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:08,801 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-02-04 03:34:08,801 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:08,801 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 03:34:08,801 INFO L182 omatonBuilderFactory]: Interpolants [99425#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base)) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~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_~head~0.base) main_~head~0.offset))))), 99424#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= 0 (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))))), 99427#(and (= 1 (select |#valid| main_~head~0.base)) (or (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0)), 99426#(and (= 1 (select |#valid| main_~head~0.base)) (or (and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (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))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))) (= main_~head~0.offset 0)), 99429#(= 1 (select (store |#valid| |main_#t~mem43.base| 0) main_~head~0.base)), 99428#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 99430#(= 1 (select |#valid| main_~head~0.base)), 99407#true, 99409#(= |main_#t~malloc0.offset| 0), 99408#false, 99411#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 99410#(= main_~head~0.offset 0), 99413#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0)), 99412#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 99415#(and (= 1 (select |#valid| main_~x~0.base)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 99414#(and (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 99417#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 99416#(and (not (= main_~x~0.base (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|) (= main_~head~0.offset 0)), 99419#(and (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 99418#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (< main_~x~0.offset (+ main_~head~0.offset 1)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 99421#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (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 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 99420#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (= main_~head~0.offset |main_#t~mem19.offset|)), 99423#(and (= 1 (select |#valid| main_~head~0.base)) (or (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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) 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)), 99422#(and (= 1 (select |#valid| main_~head~0.base)) (= main_~head~0.offset 0) (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (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)))))] [2018-02-04 03:34:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:08,801 INFO L409 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-02-04 03:34:08,802 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-02-04 03:34:08,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2018-02-04 03:34:08,802 INFO L87 Difference]: Start difference. First operand 963 states and 1091 transitions. Second operand 24 states. [2018-02-04 03:34:09,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:09,723 INFO L93 Difference]: Finished difference Result 1307 states and 1472 transitions. [2018-02-04 03:34:09,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:34:09,723 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 85 [2018-02-04 03:34:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:09,724 INFO L225 Difference]: With dead ends: 1307 [2018-02-04 03:34:09,724 INFO L226 Difference]: Without dead ends: 1307 [2018-02-04 03:34:09,724 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=576, Invalid=1680, Unknown=0, NotChecked=0, Total=2256 [2018-02-04 03:34:09,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2018-02-04 03:34:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 963. [2018-02-04 03:34:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 963 states. [2018-02-04 03:34:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1090 transitions. [2018-02-04 03:34:09,729 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1090 transitions. Word has length 85 [2018-02-04 03:34:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:09,729 INFO L432 AbstractCegarLoop]: Abstraction has 963 states and 1090 transitions. [2018-02-04 03:34:09,729 INFO L433 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-02-04 03:34:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1090 transitions. [2018-02-04 03:34:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:09,730 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:09,730 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:09,730 INFO L371 AbstractCegarLoop]: === Iteration 86 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:09,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1737089537, now seen corresponding path program 1 times [2018-02-04 03:34:09,731 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:09,741 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:10,217 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:10,217 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-02-04 03:34:10,218 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:10,218 INFO L182 omatonBuilderFactory]: Interpolants [101761#(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 8)))) (= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 101760#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (not (= main_~head~0.base |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.base|)) (= main_~head~0.offset 0)), 101763#(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)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 101762#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 101765#(and (= 0 |main_#t~mem40.offset|) (not (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 101764#(and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 101767#(and (= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem38.base|)) (= main_~head~0.offset 0)), 101766#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 101768#(and (not |main_#t~short39|) (= main_~x~0.offset 0) (= main_~head~0.offset 0)), 101749#true, 101751#(= 0 |main_#t~malloc0.offset|), 101750#false, 101753#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 101752#(= main_~head~0.offset 0), 101755#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| |main_#t~malloc15.base|) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 101754#(and (= 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)), 101757#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 101756#(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)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 101759#(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 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.offset 0) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 101758#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.offset|) (= (select |#valid| |main_#t~mem19.base|) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:34:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:10,218 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:34:10,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:34:10,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:34:10,219 INFO L87 Difference]: Start difference. First operand 963 states and 1090 transitions. Second operand 20 states. [2018-02-04 03:34:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:11,250 INFO L93 Difference]: Finished difference Result 992 states and 1114 transitions. [2018-02-04 03:34:11,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-02-04 03:34:11,251 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 85 [2018-02-04 03:34:11,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:11,251 INFO L225 Difference]: With dead ends: 992 [2018-02-04 03:34:11,252 INFO L226 Difference]: Without dead ends: 971 [2018-02-04 03:34:11,252 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=1545, Unknown=0, NotChecked=0, Total=1892 [2018-02-04 03:34:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-02-04 03:34:11,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 945. [2018-02-04 03:34:11,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2018-02-04 03:34:11,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1063 transitions. [2018-02-04 03:34:11,256 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1063 transitions. Word has length 85 [2018-02-04 03:34:11,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:11,256 INFO L432 AbstractCegarLoop]: Abstraction has 945 states and 1063 transitions. [2018-02-04 03:34:11,256 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:34:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1063 transitions. [2018-02-04 03:34:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:11,257 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:11,257 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:11,257 INFO L371 AbstractCegarLoop]: === Iteration 87 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:11,257 INFO L82 PathProgramCache]: Analyzing trace with hash -224320119, now seen corresponding path program 2 times [2018-02-04 03:34:11,258 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:11,276 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:12,668 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:12,668 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-02-04 03:34:12,668 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:12,669 INFO L182 omatonBuilderFactory]: Interpolants [103755#false, 103754#true, 103757#(= main_~head~0.offset 0), 103756#(= |main_#t~malloc0.offset| 0), 103759#(and (= 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)), 103758#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 103761#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 103760#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|))), 103763#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.offset|) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 103762#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.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)), 103765#(and (or (< 0 main_~x~0.offset) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= (select |#length| main_~x~0.base) 16)), 103764#(and (or (and (or (not (= main_~x~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 0)) main_~head~0.base) main_~head~0.offset))) (or (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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))) (not (= main_~head~0.offset main_~x~0.offset))) (= main_~head~0.offset 0)) (< 0 main_~x~0.offset)) (= (select |#length| main_~x~0.base) 16)), 103767#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~malloc23.base|)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| |main_#t~malloc23.base|) 1) (= main_~head~0.offset 0)), 103766#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#length| main_~x~0.base) 16)), 103769#(and (<= main_~x~0.offset 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~x~0.base |main_#t~mem25.base|)) (= (select |#valid| main_~x~0.base) 1)), 103768#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (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))), 103771#(and (or (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (= main_~head~0.offset 0)) (and (= main_~head~0.base |main_#t~malloc15.base|) (= (select |#valid| |main_#t~malloc15.base|) 1) (= main_~head~0.offset |main_#t~malloc15.offset|))) (<= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~malloc15.base|))), 103770#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (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)) (= (select |#valid| main_~x~0.base) 1)), 103773#(and (<= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (<= 0 main_~x~0.offset) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))))), 103772#(and (<= main_~x~0.offset 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (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 8)))) (<= 0 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)) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~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)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1)))), 103775#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= (select |#valid| |main_#t~mem19.base|) 1) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8)))))), 103774#(and (or (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) (+ main_~x~0.offset 8)))) (<= 0 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)) (= (select |#valid| main_~x~0.base) 1)) (and (= main_~head~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)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) 1))) (<= main_~x~0.offset 0)), 103777#(or (and (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (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_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8))))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1))), 103776#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (and (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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (= 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset)))), 103779#(or (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= 0 (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))) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 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)))) (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8)))))), 103778#(or (and (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.base|)) (= main_~head~0.offset 0)) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 103781#(or (and (= main_~head~0.offset 0) (= 0 (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)) (+ main_~head~0.offset 8))))) (and (= 0 (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)))), 103780#(or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0))), 103783#(and (or (= 0 |main_#t~mem40.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8))))) (= 0 |main_#t~mem40.offset|)), 103782#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 103785#(and (= main_~x~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))))), 103784#(or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 103786#(= 1 (select |#valid| |main_#t~mem35.base|))] [2018-02-04 03:34:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:12,669 INFO L409 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-02-04 03:34:12,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-02-04 03:34:12,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=953, Unknown=0, NotChecked=0, Total=1056 [2018-02-04 03:34:12,669 INFO L87 Difference]: Start difference. First operand 945 states and 1063 transitions. Second operand 33 states. [2018-02-04 03:34:14,854 WARN L146 SmtUtils]: Spent 119ms on a formula simplification. DAG size of input: 161 DAG size of output 91 [2018-02-04 03:34:15,231 WARN L146 SmtUtils]: Spent 108ms on a formula simplification. DAG size of input: 144 DAG size of output 88 [2018-02-04 03:34:15,876 WARN L146 SmtUtils]: Spent 103ms on a formula simplification. DAG size of input: 103 DAG size of output 86 [2018-02-04 03:34:17,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:17,226 INFO L93 Difference]: Finished difference Result 1128 states and 1274 transitions. [2018-02-04 03:34:17,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 03:34:17,226 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 85 [2018-02-04 03:34:17,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:17,227 INFO L225 Difference]: With dead ends: 1128 [2018-02-04 03:34:17,227 INFO L226 Difference]: Without dead ends: 1128 [2018-02-04 03:34:17,228 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1842 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=1062, Invalid=6420, Unknown=0, NotChecked=0, Total=7482 [2018-02-04 03:34:17,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2018-02-04 03:34:17,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 945. [2018-02-04 03:34:17,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2018-02-04 03:34:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1060 transitions. [2018-02-04 03:34:17,232 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1060 transitions. Word has length 85 [2018-02-04 03:34:17,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:17,232 INFO L432 AbstractCegarLoop]: Abstraction has 945 states and 1060 transitions. [2018-02-04 03:34:17,232 INFO L433 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-02-04 03:34:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1060 transitions. [2018-02-04 03:34:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:17,233 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:17,233 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:17,233 INFO L371 AbstractCegarLoop]: === Iteration 88 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:17,233 INFO L82 PathProgramCache]: Analyzing trace with hash -224320118, now seen corresponding path program 2 times [2018-02-04 03:34:17,233 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:17,248 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:18,812 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:18,812 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:18,812 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:34:18,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:18,813 INFO L182 omatonBuilderFactory]: Interpolants [105985#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105984#(and (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset) 0) (= |main_#t~mem25.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 16 (select |#length| |main_#t~mem25.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~x~0.base |main_#t~mem25.base|))), 105987#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 (select |#valid| 0)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)))), 105986#(and (or (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (<= 16 (select |#length| (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~x~0.offset 8)))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~x~0.offset 8))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)) (and (= 0 main_~head~0.offset) (= |main_#t~malloc15.base| main_~head~0.base) (= 0 (select |#valid| 0)) (= main_~head~0.offset |main_#t~malloc15.offset|))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 105989#(or (and (= 0 main_~head~0.offset) (= main_~head~0.base |main_#t~mem19.base|) (= 0 (select |#valid| 0)) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (= 0 (select |#valid| 0)) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 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~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0))), 105988#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (or (and (= 1 (select |#valid| main_~x~0.base)) (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (= main_~head~0.offset 0) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= 0 main_~head~0.offset) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select |#valid| 0)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 105991#(or (and (= 0 main_~head~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)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (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_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 105990#(or (and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base)) (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 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ 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 0)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) (= 0 (select |#valid| 0)) (<= 16 (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0))), 105993#(or (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 0 (select |#valid| 0)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) (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))) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= 0 (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)))), 105992#(or (and (<= 16 (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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= |main_#t~malloc23.offset| main_~head~0.offset) (not (= |main_#t~malloc23.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 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 8) |main_#t~malloc23.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)) (and (= |main_#t~malloc23.base| main_~head~0.base) (= |main_#t~malloc23.offset| main_~head~0.offset) (= 0 (select |#valid| 0))) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.base|) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 105995#(or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select |#valid| 0))) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 105994#(or (and (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)) (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)))), 105997#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (and (= 0 |main_#t~mem40.base|) (= 0 (select |#valid| 0))) (and (= 0 |main_#t~mem40.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) (+ 0 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) (+ 0 8)))))), 105996#(or (and (= 0 (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))) (and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= 0 (select |#valid| 0)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 105999#(or (not (= 1 (select |#valid| main_~x~0.base))) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0))), 105998#(or (not (= 1 (select |#valid| main_~x~0.base))) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 106001#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0)), 106000#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~x~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 106002#(and (= |main_#t~mem35.offset| 0) (<= 16 (select |#length| |main_#t~mem35.base|))), 105969#false, 105968#true, 105971#(and (= 0 (select |#valid| 0)) (= |main_#t~malloc0.offset| 0)), 105970#(= 0 (select |#valid| 0)), 105973#(and (= 0 (select |#valid| 0)) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 105972#(and (= 0 (select |#valid| 0)) (= main_~head~0.offset 0)), 105975#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 0 (select |#valid| 0)) (= |main_#t~malloc15.offset| 0) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|))), 105974#(and (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105977#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.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 (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 105976#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (= 0 (select |#valid| 0)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 105979#(and (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 0)) main_~head~0.base) main_~head~0.offset)) (not (= 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 0)) main_~head~0.base) main_~head~0.offset) 0) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (or (< main_~x~0.offset (+ main_~head~0.offset 1)) (= (select |#length| main_~x~0.base) 16)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 105978#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= 16 (select |#length| |main_#t~mem19.base|)) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 105981#(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_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105980#(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_~head~0.offset main_~x~0.offset) (and (<= main_~head~0.offset main_~x~0.offset) (= (select |#length| main_~x~0.base) 16))) (= 1 (select |#valid| main_~head~0.base)) (= 0 (select |#valid| 0)) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 105983#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0)), 105982#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select |#valid| 0)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset) 0) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc23.base|)) (= 0 |main_#t~malloc23.offset|) (= 1 (select |#valid| |main_#t~malloc23.base|)))] [2018-02-04 03:34:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:18,814 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:34:18,814 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:34:18,814 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=1037, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:34:18,814 INFO L87 Difference]: Start difference. First operand 945 states and 1060 transitions. Second operand 35 states. [2018-02-04 03:34:20,836 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 126 DAG size of output 87 [2018-02-04 03:34:21,681 WARN L146 SmtUtils]: Spent 114ms on a formula simplification. DAG size of input: 119 DAG size of output 91 [2018-02-04 03:34:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:22,872 INFO L93 Difference]: Finished difference Result 1113 states and 1251 transitions. [2018-02-04 03:34:22,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:34:22,872 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 85 [2018-02-04 03:34:22,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:22,873 INFO L225 Difference]: With dead ends: 1113 [2018-02-04 03:34:22,873 INFO L226 Difference]: Without dead ends: 1113 [2018-02-04 03:34:22,873 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=883, Invalid=4667, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:34:22,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1113 states. [2018-02-04 03:34:22,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1113 to 854. [2018-02-04 03:34:22,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2018-02-04 03:34:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 954 transitions. [2018-02-04 03:34:22,877 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 954 transitions. Word has length 85 [2018-02-04 03:34:22,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:22,878 INFO L432 AbstractCegarLoop]: Abstraction has 854 states and 954 transitions. [2018-02-04 03:34:22,878 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:34:22,878 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 954 transitions. [2018-02-04 03:34:22,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:22,878 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:22,878 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:22,878 INFO L371 AbstractCegarLoop]: === Iteration 89 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:22,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1019262099, now seen corresponding path program 1 times [2018-02-04 03:34:22,879 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:22,885 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:23,211 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:23,211 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:23,212 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-02-04 03:34:23,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:23,212 INFO L182 omatonBuilderFactory]: Interpolants [108051#false, 108050#true, 108053#(= main_~head~0.offset 0), 108052#(= 0 |main_#t~malloc0.offset|), 108055#(and (= 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)), 108054#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 108057#(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) (= main_~head~0.offset 0)), 108056#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 108059#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108058#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 108061#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 108060#(and (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 108063#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 108062#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108065#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108064#(and (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem40.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108067#(and (= main_~head~0.offset 0) (or (not |main_#t~short39|) (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) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))), 108066#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) |main_#t~mem38.offset|) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108069#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108068#(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) (+ main_~x~0.offset 8))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 108071#(and (= 0 |main_#t~mem41.offset|) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem41.base|) (+ 0 8)))), 108070#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 108073#(= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))), 108072#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 108074#(= 0 |main_#t~mem43.offset|)] [2018-02-04 03:34:23,212 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:23,212 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:34:23,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:34:23,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:34:23,212 INFO L87 Difference]: Start difference. First operand 854 states and 954 transitions. Second operand 25 states. [2018-02-04 03:34:24,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:24,789 INFO L93 Difference]: Finished difference Result 1012 states and 1107 transitions. [2018-02-04 03:34:24,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 03:34:24,789 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 85 [2018-02-04 03:34:24,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:24,790 INFO L225 Difference]: With dead ends: 1012 [2018-02-04 03:34:24,790 INFO L226 Difference]: Without dead ends: 1012 [2018-02-04 03:34:24,791 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2047 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1105, Invalid=5701, Unknown=0, NotChecked=0, Total=6806 [2018-02-04 03:34:24,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2018-02-04 03:34:24,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 854. [2018-02-04 03:34:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 854 states. [2018-02-04 03:34:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 854 states and 953 transitions. [2018-02-04 03:34:24,795 INFO L78 Accepts]: Start accepts. Automaton has 854 states and 953 transitions. Word has length 85 [2018-02-04 03:34:24,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:24,795 INFO L432 AbstractCegarLoop]: Abstraction has 854 states and 953 transitions. [2018-02-04 03:34:24,795 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:34:24,795 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 953 transitions. [2018-02-04 03:34:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-02-04 03:34:24,795 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:24,796 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:24,796 INFO L371 AbstractCegarLoop]: === Iteration 90 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:24,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1019262100, now seen corresponding path program 1 times [2018-02-04 03:34:24,796 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:24,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:25,170 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:25,170 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:34:25,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:25,170 INFO L182 omatonBuilderFactory]: Interpolants [110081#(not (= 2 |main_#t~mem42|)), 110080#(not (= 2 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12)))), 110057#true, 110059#(= 0 |main_#t~malloc0.offset|), 110058#false, 110061#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 110060#(= main_~head~0.offset 0), 110063#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 110062#(and (= 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)), 110065#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 110064#(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) (= main_~head~0.offset 0)), 110067#(and (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 110066#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110069#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110068#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 110071#(and (= 0 |main_#t~mem40.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~mem40.base|)), 110070#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 110073#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= |main_#t~mem32| (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110072#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110075#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110074#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12)))) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) |main_#t~short34|) (= main_~head~0.offset 0)), 110077#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 110076#(and (not (= 2 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12)))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 110079#(and (not (= 2 (select (select |#memory_int| main_~x~0.base) (+ 0 12)))) (= 0 main_~x~0.offset)), 110078#(and (= 0 |main_#t~mem41.offset|) (not (= 2 (select (select |#memory_int| |main_#t~mem41.base|) (+ 0 12)))))] [2018-02-04 03:34:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:25,171 INFO L409 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-02-04 03:34:25,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-02-04 03:34:25,171 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2018-02-04 03:34:25,171 INFO L87 Difference]: Start difference. First operand 854 states and 953 transitions. Second operand 25 states. [2018-02-04 03:34:26,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:26,761 INFO L93 Difference]: Finished difference Result 1001 states and 1099 transitions. [2018-02-04 03:34:26,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-02-04 03:34:26,762 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 85 [2018-02-04 03:34:26,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:26,762 INFO L225 Difference]: With dead ends: 1001 [2018-02-04 03:34:26,763 INFO L226 Difference]: Without dead ends: 1001 [2018-02-04 03:34:26,763 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1785 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1104, Invalid=5058, Unknown=0, NotChecked=0, Total=6162 [2018-02-04 03:34:26,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2018-02-04 03:34:26,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 906. [2018-02-04 03:34:26,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-02-04 03:34:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1006 transitions. [2018-02-04 03:34:26,767 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1006 transitions. Word has length 85 [2018-02-04 03:34:26,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:26,767 INFO L432 AbstractCegarLoop]: Abstraction has 906 states and 1006 transitions. [2018-02-04 03:34:26,767 INFO L433 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-02-04 03:34:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1006 transitions. [2018-02-04 03:34:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:26,768 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:26,768 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-02-04 03:34:26,768 INFO L371 AbstractCegarLoop]: === Iteration 91 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:26,768 INFO L82 PathProgramCache]: Analyzing trace with hash 266929535, now seen corresponding path program 2 times [2018-02-04 03:34:26,768 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:26,773 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:26,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:26,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-02-04 03:34:26,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:26,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:26,862 INFO L182 omatonBuilderFactory]: Interpolants [112097#true, 112099#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)), 112098#false, 112101#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 112100#(and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 112103#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) main_~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)) main_~x~0.base)), 112102#(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~mem40.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~mem40.offset|)), 112105#(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))) (= 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)))), 112104#(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))) (= 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)))), 112107#(and (= 0 (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))), 112106#(and (= 0 (select (select |#memory_$Pointer$.base| |main_#t~mem41.base|) |main_#t~mem41.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem41.base|) |main_#t~mem41.offset|))), 112109#(and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)), 112108#(and (= 0 |main_#t~mem41.offset|) (= 0 |main_#t~mem41.base|))] [2018-02-04 03:34:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:26,863 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-02-04 03:34:26,863 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-02-04 03:34:26,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-02-04 03:34:26,863 INFO L87 Difference]: Start difference. First operand 906 states and 1006 transitions. Second operand 13 states. [2018-02-04 03:34:27,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:27,292 INFO L93 Difference]: Finished difference Result 1117 states and 1271 transitions. [2018-02-04 03:34:27,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-02-04 03:34:27,293 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 87 [2018-02-04 03:34:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:27,294 INFO L225 Difference]: With dead ends: 1117 [2018-02-04 03:34:27,294 INFO L226 Difference]: Without dead ends: 1117 [2018-02-04 03:34:27,294 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:34:27,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2018-02-04 03:34:27,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1022. [2018-02-04 03:34:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-02-04 03:34:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1167 transitions. [2018-02-04 03:34:27,299 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1167 transitions. Word has length 87 [2018-02-04 03:34:27,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:27,299 INFO L432 AbstractCegarLoop]: Abstraction has 1022 states and 1167 transitions. [2018-02-04 03:34:27,299 INFO L433 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-02-04 03:34:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1167 transitions. [2018-02-04 03:34:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:27,300 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:27,300 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:27,300 INFO L371 AbstractCegarLoop]: === Iteration 92 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:27,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1474841457, now seen corresponding path program 1 times [2018-02-04 03:34:27,300 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:27,306 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:27,640 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:27,641 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:27,641 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-02-04 03:34:27,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:27,641 INFO L182 omatonBuilderFactory]: Interpolants [114267#true, 114269#(= 0 |main_#t~malloc0.offset|), 114268#false, 114271#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 114270#(= main_~head~0.offset 0), 114273#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 114272#(and (= 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)), 114275#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 114274#(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) (= main_~head~0.offset 0)), 114277#(and (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 114276#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 114279#(and (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 114278#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 114281#(and (= 0 |main_#t~mem40.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~mem40.base|)), 114280#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0)), 114283#(and (= main_~head~0.offset main_~x~0.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_~x~0.base) (= |main_#t~mem38.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 114282#(and (= main_~head~0.offset main_~x~0.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_~x~0.base)), 114285#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (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))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 114284#(and (or (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= (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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not |main_#t~short39|)) (= main_~head~0.offset 0)), 114287#(and (= (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 8))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 114286#(and (= 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) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 8)))), 114289#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 114288#(and (= 0 |main_#t~mem41.offset|) (= |main_#t~mem41.base| (select (select |#memory_$Pointer$.base| |main_#t~mem41.base|) (+ 0 8)))), 114291#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))), 114290#(= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))), 114292#(= 1 (select |#valid| |main_#t~mem43.base|))] [2018-02-04 03:34:27,641 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:27,641 INFO L409 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-02-04 03:34:27,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-02-04 03:34:27,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2018-02-04 03:34:27,642 INFO L87 Difference]: Start difference. First operand 1022 states and 1167 transitions. Second operand 26 states. [2018-02-04 03:34:29,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:29,206 INFO L93 Difference]: Finished difference Result 1107 states and 1249 transitions. [2018-02-04 03:34:29,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-02-04 03:34:29,206 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 87 [2018-02-04 03:34:29,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:29,207 INFO L225 Difference]: With dead ends: 1107 [2018-02-04 03:34:29,207 INFO L226 Difference]: Without dead ends: 1107 [2018-02-04 03:34:29,207 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1498 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=925, Invalid=4625, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:34:29,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2018-02-04 03:34:29,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1022. [2018-02-04 03:34:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2018-02-04 03:34:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1166 transitions. [2018-02-04 03:34:29,212 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1166 transitions. Word has length 87 [2018-02-04 03:34:29,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:29,212 INFO L432 AbstractCegarLoop]: Abstraction has 1022 states and 1166 transitions. [2018-02-04 03:34:29,212 INFO L433 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-02-04 03:34:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1166 transitions. [2018-02-04 03:34:29,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:29,213 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:29,213 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:29,213 INFO L371 AbstractCegarLoop]: === Iteration 93 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:29,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1822289362, now seen corresponding path program 4 times [2018-02-04 03:34:29,213 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:29,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:29,221 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:29,510 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:29,510 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-02-04 03:34:29,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:29,511 INFO L182 omatonBuilderFactory]: Interpolants [116521#false, 116520#true, 116523#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 116522#(= (select |#valid| main_~head~0.base) 1), 116525#(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)), 116524#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 116527#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 116526#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 116529#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 116528#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 116531#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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)))), 116530#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))), 116533#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|))), 116532#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 116535#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 116534#(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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 116537#(= 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)))), 116536#(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 8) 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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 116539#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))), 116538#(= 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)))), 116541#(= 1 (select |#valid| |main_#t~mem40.base|)), 116540#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 116542#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:34:29,511 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:29,511 INFO L409 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-02-04 03:34:29,511 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-02-04 03:34:29,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2018-02-04 03:34:29,511 INFO L87 Difference]: Start difference. First operand 1022 states and 1166 transitions. Second operand 23 states. [2018-02-04 03:34:30,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:30,609 INFO L93 Difference]: Finished difference Result 1289 states and 1475 transitions. [2018-02-04 03:34:30,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-02-04 03:34:30,610 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 87 [2018-02-04 03:34:30,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:30,611 INFO L225 Difference]: With dead ends: 1289 [2018-02-04 03:34:30,611 INFO L226 Difference]: Without dead ends: 1289 [2018-02-04 03:34:30,611 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=275, Invalid=1705, Unknown=0, NotChecked=0, Total=1980 [2018-02-04 03:34:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1289 states. [2018-02-04 03:34:30,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1289 to 1143. [2018-02-04 03:34:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2018-02-04 03:34:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1302 transitions. [2018-02-04 03:34:30,616 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1302 transitions. Word has length 87 [2018-02-04 03:34:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:30,616 INFO L432 AbstractCegarLoop]: Abstraction has 1143 states and 1302 transitions. [2018-02-04 03:34:30,616 INFO L433 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-02-04 03:34:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1302 transitions. [2018-02-04 03:34:30,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:30,616 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:30,617 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:30,617 INFO L371 AbstractCegarLoop]: === Iteration 94 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:30,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1822289363, now seen corresponding path program 3 times [2018-02-04 03:34:30,617 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:30,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:30,981 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:30,981 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:34:30,981 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:30,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:30,982 INFO L182 omatonBuilderFactory]: Interpolants [119040#(and (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset)), 119019#true, 119021#(= (select |#valid| main_~head~0.base) 1), 119020#false, 119023#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 119022#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 119025#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 119024#(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)), 119027#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 119026#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 119029#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 119028#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 119031#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 119030#(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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))), 119033#(and (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 0)) main_~head~0.base) main_~head~0.offset))) (= 16 (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 119032#(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) |main_#t~mem19.base|)) (= 16 (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 |main_#t~mem19.base|))), 119035#(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))) (= 16 (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))))), 119034#(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 8) main_~x~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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 16 (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 8) 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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))), 119037#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) |main_#t~mem40.offset|))), 119036#(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))) (= 16 (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))))), 119039#(and (= 16 (select |#length| |main_#t~mem40.base|)) (= 0 |main_#t~mem40.offset|)), 119038#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:34:30,982 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:30,982 INFO L409 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-02-04 03:34:30,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-02-04 03:34:30,982 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:34:30,982 INFO L87 Difference]: Start difference. First operand 1143 states and 1302 transitions. Second operand 22 states. [2018-02-04 03:34:32,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:32,240 INFO L93 Difference]: Finished difference Result 1362 states and 1560 transitions. [2018-02-04 03:34:32,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-02-04 03:34:32,241 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 87 [2018-02-04 03:34:32,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:32,242 INFO L225 Difference]: With dead ends: 1362 [2018-02-04 03:34:32,242 INFO L226 Difference]: Without dead ends: 1362 [2018-02-04 03:34:32,242 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=1151, Unknown=0, NotChecked=0, Total=1332 [2018-02-04 03:34:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2018-02-04 03:34:32,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1203. [2018-02-04 03:34:32,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1203 states. [2018-02-04 03:34:32,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1374 transitions. [2018-02-04 03:34:32,247 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1374 transitions. Word has length 87 [2018-02-04 03:34:32,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:32,247 INFO L432 AbstractCegarLoop]: Abstraction has 1203 states and 1374 transitions. [2018-02-04 03:34:32,247 INFO L433 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-02-04 03:34:32,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1374 transitions. [2018-02-04 03:34:32,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:32,248 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:32,248 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:34:32,248 INFO L371 AbstractCegarLoop]: === Iteration 95 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:32,248 INFO L82 PathProgramCache]: Analyzing trace with hash -589380100, now seen corresponding path program 5 times [2018-02-04 03:34:32,249 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:32,258 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:32,636 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:32,636 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:32,636 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-02-04 03:34:32,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:32,637 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 03:34:32,637 INFO L182 omatonBuilderFactory]: Interpolants [121664#(= (select |#valid| main_~x~0.base) 1), 121637#false, 121636#true, 121639#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 121638#(= (select |#valid| main_~head~0.base) 1), 121641#(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)), 121640#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 121643#(and (= |main_#t~mem19.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 |main_#t~mem19.base|))), 121642#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 121645#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 121644#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 121647#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 121646#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| main_~head~0.base) 1)), 121649#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 121648#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 121651#(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 0)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 121650#(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_~head~0.base |main_#t~mem19.base|))), 121653#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (= |main_#t~malloc15.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset))))), 121652#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 121655#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 121654#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))))), 121657#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (or (= |main_#t~mem19.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))))), 121656#(and (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))))), 121659#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 121658#(and (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 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 121661#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 121660#(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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)), 121663#(= 1 (select |#valid| |main_#t~mem40.base|)), 121662#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:34:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:32,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-02-04 03:34:32,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-02-04 03:34:32,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-02-04 03:34:32,637 INFO L87 Difference]: Start difference. First operand 1203 states and 1374 transitions. Second operand 29 states. [2018-02-04 03:34:33,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:33,656 INFO L93 Difference]: Finished difference Result 1517 states and 1758 transitions. [2018-02-04 03:34:33,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-02-04 03:34:33,656 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 87 [2018-02-04 03:34:33,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:33,657 INFO L225 Difference]: With dead ends: 1517 [2018-02-04 03:34:33,657 INFO L226 Difference]: Without dead ends: 1517 [2018-02-04 03:34:33,657 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-02-04 03:34:33,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2018-02-04 03:34:33,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1300. [2018-02-04 03:34:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1300 states. [2018-02-04 03:34:33,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1300 states and 1484 transitions. [2018-02-04 03:34:33,663 INFO L78 Accepts]: Start accepts. Automaton has 1300 states and 1484 transitions. Word has length 87 [2018-02-04 03:34:33,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:33,663 INFO L432 AbstractCegarLoop]: Abstraction has 1300 states and 1484 transitions. [2018-02-04 03:34:33,663 INFO L433 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-02-04 03:34:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1484 transitions. [2018-02-04 03:34:33,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-02-04 03:34:33,664 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:33,664 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 03:34:33,665 INFO L371 AbstractCegarLoop]: === Iteration 96 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:33,665 INFO L82 PathProgramCache]: Analyzing trace with hash -589380099, now seen corresponding path program 4 times [2018-02-04 03:34:33,665 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:33,677 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:34,474 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:34,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:34:34,475 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:34,475 INFO L182 omatonBuilderFactory]: Interpolants [124545#(and (<= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 124544#(and (<= 16 (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~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 124547#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)) (<= 16 (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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)))) (or (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)) (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))))), 124546#(and (<= 16 (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_~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)) (= (select |#valid| main_~x~0.base) 1)), 124549#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (or (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 124548#(and (or (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (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))))), 124551#(and (or (and (= |main_#t~mem19.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem19.offset|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (or (and (= |main_#t~mem19.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|))))), 124550#(and (or (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (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))))), 124553#(and (or (and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (or (and (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 124552#(and (or (<= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (or (and (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)))), 124555#(and (or (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (<= 16 (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))), 124554#(and (or (<= 16 (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) 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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))), 124557#(and (= 0 |main_#t~mem40.offset|) (or (= 0 |main_#t~mem40.base|) (<= 16 (select |#length| |main_#t~mem40.base|)))), 124556#(and (or (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (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))), 124559#(and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.offset 0)), 124558#(and (or (<= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.base)) (= 0 main_~x~0.offset)), 124529#false, 124528#true, 124531#(= main_~head~0.offset 0), 124530#(= |main_#t~malloc0.offset| 0), 124533#(and (= 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)), 124532#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 124535#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 124534#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 124537#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 124536#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~mem17.base|)) (= (select |#valid| main_~x~0.base) 1)), 124539#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 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)) (= (select |#valid| main_~x~0.base) 1)), 124538#(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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 124541#(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))) (= 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) (= (select |#length| main_~x~0.base) 16)), 124540#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 16)), 124543#(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))) (= 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) (= (select |#length| main_~x~0.base) 16)), 124542#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 16))] [2018-02-04 03:34:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:34,475 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:34:34,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:34:34,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:34:34,476 INFO L87 Difference]: Start difference. First operand 1300 states and 1484 transitions. Second operand 32 states. [2018-02-04 03:34:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:36,836 INFO L93 Difference]: Finished difference Result 1734 states and 1980 transitions. [2018-02-04 03:34:36,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-02-04 03:34:36,836 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 87 [2018-02-04 03:34:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:36,838 INFO L225 Difference]: With dead ends: 1734 [2018-02-04 03:34:36,838 INFO L226 Difference]: Without dead ends: 1734 [2018-02-04 03:34:36,838 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1549 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1023, Invalid=4677, Unknown=0, NotChecked=0, Total=5700 [2018-02-04 03:34:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-02-04 03:34:36,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1500. [2018-02-04 03:34:36,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1500 states. [2018-02-04 03:34:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 1715 transitions. [2018-02-04 03:34:36,844 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 1715 transitions. Word has length 87 [2018-02-04 03:34:36,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:36,844 INFO L432 AbstractCegarLoop]: Abstraction has 1500 states and 1715 transitions. [2018-02-04 03:34:36,844 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:34:36,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1715 transitions. [2018-02-04 03:34:36,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:34:36,845 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:36,845 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-02-04 03:34:36,845 INFO L371 AbstractCegarLoop]: === Iteration 97 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:36,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1592577267, now seen corresponding path program 1 times [2018-02-04 03:34:36,846 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:36,878 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:34:37,003 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:37,003 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-02-04 03:34:37,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:37,004 INFO L182 omatonBuilderFactory]: Interpolants [127889#(and (= main_~head~0.offset main_~x~0.offset) (not (= 0 main_~head~0.base)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 127888#(and (= main_~head~0.offset main_~x~0.offset) (not (= 0 main_~head~0.base)) (or (and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.base) (= main_~x~0.base main_~head~0.base)) (not |main_#t~short39|)) (= main_~head~0.offset 0)), 127891#(and (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)) main_~x~0.base) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))) (= 0 main_~x~0.offset)), 127890#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) main_~head~0.base) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 127893#(and (= 0 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 127892#(and (= |main_#t~mem43.base| main_~head~0.base) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 127883#false, 127882#true, 127885#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 127884#(and (not (= 0 |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|)), 127887#(and (= main_~head~0.offset main_~x~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~mem38.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))), 127886#(and (= main_~head~0.offset main_~x~0.offset) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0))] [2018-02-04 03:34:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-02-04 03:34:37,004 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-02-04 03:34:37,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-02-04 03:34:37,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-02-04 03:34:37,004 INFO L87 Difference]: Start difference. First operand 1500 states and 1715 transitions. Second operand 12 states. [2018-02-04 03:34:37,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:37,297 INFO L93 Difference]: Finished difference Result 1577 states and 1780 transitions. [2018-02-04 03:34:37,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-02-04 03:34:37,297 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-02-04 03:34:37,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:37,298 INFO L225 Difference]: With dead ends: 1577 [2018-02-04 03:34:37,298 INFO L226 Difference]: Without dead ends: 1515 [2018-02-04 03:34:37,298 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2018-02-04 03:34:37,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2018-02-04 03:34:37,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1442. [2018-02-04 03:34:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1442 states. [2018-02-04 03:34:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1442 states to 1442 states and 1638 transitions. [2018-02-04 03:34:37,304 INFO L78 Accepts]: Start accepts. Automaton has 1442 states and 1638 transitions. Word has length 88 [2018-02-04 03:34:37,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:37,304 INFO L432 AbstractCegarLoop]: Abstraction has 1442 states and 1638 transitions. [2018-02-04 03:34:37,304 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-02-04 03:34:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1638 transitions. [2018-02-04 03:34:37,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:34:37,305 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:37,305 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:37,305 INFO L371 AbstractCegarLoop]: === Iteration 98 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:37,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1560540409, now seen corresponding path program 1 times [2018-02-04 03:34:37,305 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:37,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:37,609 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 03:34:37,609 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:37,610 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:34:37,610 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:37,610 INFO L182 omatonBuilderFactory]: Interpolants [130945#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 130944#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 130947#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= |main_#t~mem25.base| main_~head~0.base)) (= main_~head~0.offset 0)), 130946#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0)), 130949#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 130948#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 130951#(and (= 0 |main_#t~mem42|) (= main_~head~0.offset 0)), 130950#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 130933#true, 130935#(= 0 |main_#t~malloc0.offset|), 130934#false, 130937#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 130936#(= main_~head~0.offset 0), 130939#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 130938#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 130941#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 130940#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 130943#(and (= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 130942#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:34:37,610 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 03:34:37,610 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:34:37,610 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:34:37,610 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:34:37,610 INFO L87 Difference]: Start difference. First operand 1442 states and 1638 transitions. Second operand 19 states. [2018-02-04 03:34:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:38,100 INFO L93 Difference]: Finished difference Result 1638 states and 1839 transitions. [2018-02-04 03:34:38,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:34:38,100 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 88 [2018-02-04 03:34:38,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:38,101 INFO L225 Difference]: With dead ends: 1638 [2018-02-04 03:34:38,101 INFO L226 Difference]: Without dead ends: 1598 [2018-02-04 03:34:38,101 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=893, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:34:38,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2018-02-04 03:34:38,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1472. [2018-02-04 03:34:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1472 states. [2018-02-04 03:34:38,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1472 states to 1472 states and 1670 transitions. [2018-02-04 03:34:38,108 INFO L78 Accepts]: Start accepts. Automaton has 1472 states and 1670 transitions. Word has length 88 [2018-02-04 03:34:38,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:38,108 INFO L432 AbstractCegarLoop]: Abstraction has 1472 states and 1670 transitions. [2018-02-04 03:34:38,108 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:34:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 1670 transitions. [2018-02-04 03:34:38,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:34:38,109 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:38,109 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 03:34:38,109 INFO L371 AbstractCegarLoop]: === Iteration 99 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:38,109 INFO L82 PathProgramCache]: Analyzing trace with hash -315119923, now seen corresponding path program 3 times [2018-02-04 03:34:38,110 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:38,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:38,569 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:38,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:34:38,569 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:38,570 INFO L182 omatonBuilderFactory]: Interpolants [134112#(and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 main_~x~0.base)) (= (store (store |#valid| main_~head~0.base 0) main_~x~0.base 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 134113#(and (not (= 0 main_~x~0.base)) (= (store |#valid| main_~x~0.base 0) |old(#valid)|)), 134094#true, 134095#false, 134098#(and (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 134099#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= (store |#valid| main_~head~0.base 0) |old(#valid)|)), 134096#(= |#valid| |old(#valid)|), 134097#(and (= (store |#valid| |main_#t~malloc0.base| 0) |old(#valid)|) (not (= 0 |main_#t~malloc0.base|))), 134102#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 134103#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~head~0.offset)))), 134100#(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)), 134101#(and (= (store (store |#valid| main_~head~0.base 0) |main_#t~malloc15.base| 0) |old(#valid)|) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 |main_#t~malloc15.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 134106#(and (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base))), 134107#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 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)|)), 134104#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= main_~head~0.base |main_#t~mem19.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)|)), 134105#(and (= (store (store |#valid| main_~head~0.base 0) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 0) |old(#valid)|) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) 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 (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))), 134110#(and (not (= 0 (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))) (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|)), 134111#(and (not (= main_~head~0.base |main_#t~mem41.base|)) (not (= 0 |main_#t~mem41.base|)) (= (store (store |#valid| main_~head~0.base 0) |main_#t~mem41.base| 0) |old(#valid)|) (not (= 0 main_~head~0.base))), 134108#(and (= (store (store |#valid| main_~head~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset) 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base)), 134109#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~x~0.base)) (= (store (store |#valid| main_~x~0.base 0) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) 0) |old(#valid)|))] [2018-02-04 03:34:38,570 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:38,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:34:38,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:34:38,570 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:34:38,570 INFO L87 Difference]: Start difference. First operand 1472 states and 1670 transitions. Second operand 20 states. [2018-02-04 03:34:39,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:39,236 INFO L93 Difference]: Finished difference Result 1549 states and 1748 transitions. [2018-02-04 03:34:39,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-02-04 03:34:39,236 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 88 [2018-02-04 03:34:39,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:39,237 INFO L225 Difference]: With dead ends: 1549 [2018-02-04 03:34:39,237 INFO L226 Difference]: Without dead ends: 1518 [2018-02-04 03:34:39,238 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=148, Invalid=844, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:34:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1518 states. [2018-02-04 03:34:39,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1518 to 1516. [2018-02-04 03:34:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1516 states. [2018-02-04 03:34:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1516 states and 1714 transitions. [2018-02-04 03:34:39,245 INFO L78 Accepts]: Start accepts. Automaton has 1516 states and 1714 transitions. Word has length 88 [2018-02-04 03:34:39,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:39,245 INFO L432 AbstractCegarLoop]: Abstraction has 1516 states and 1714 transitions. [2018-02-04 03:34:39,245 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:34:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1714 transitions. [2018-02-04 03:34:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-02-04 03:34:39,246 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:39,246 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:39,246 INFO L371 AbstractCegarLoop]: === Iteration 100 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:39,246 INFO L82 PathProgramCache]: Analyzing trace with hash -295873025, now seen corresponding path program 1 times [2018-02-04 03:34:39,246 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:39,262 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:39,615 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 03:34:39,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:39,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:34:39,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:39,615 INFO L182 omatonBuilderFactory]: Interpolants [137218#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0)), 137219#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 137216#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~head~0.offset 0)), 137217#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= |main_#t~mem25.base| main_~head~0.base)) (= main_~head~0.offset 0)), 137220#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 137221#(and (= main_~head~0.offset 0) (= 1 |main_#t~mem42|)), 137203#true, 137206#(= main_~head~0.offset 0), 137207#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 137204#false, 137205#(= 0 |main_#t~malloc0.offset|), 137210#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 137211#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 137208#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 137209#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 137214#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 137215#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 137212#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~head~0.offset 12))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~x~0.offset (+ main_~head~0.offset 12))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 137213#(and (= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0))] [2018-02-04 03:34:39,615 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 03:34:39,615 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:34:39,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:34:39,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:34:39,616 INFO L87 Difference]: Start difference. First operand 1516 states and 1714 transitions. Second operand 19 states. [2018-02-04 03:34:40,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:40,088 INFO L93 Difference]: Finished difference Result 1656 states and 1855 transitions. [2018-02-04 03:34:40,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-02-04 03:34:40,088 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 88 [2018-02-04 03:34:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:40,089 INFO L225 Difference]: With dead ends: 1656 [2018-02-04 03:34:40,089 INFO L226 Difference]: Without dead ends: 1616 [2018-02-04 03:34:40,089 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=297, Invalid=893, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:34:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1616 states. [2018-02-04 03:34:40,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1616 to 1482. [2018-02-04 03:34:40,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1482 states. [2018-02-04 03:34:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1482 states and 1677 transitions. [2018-02-04 03:34:40,096 INFO L78 Accepts]: Start accepts. Automaton has 1482 states and 1677 transitions. Word has length 88 [2018-02-04 03:34:40,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:40,096 INFO L432 AbstractCegarLoop]: Abstraction has 1482 states and 1677 transitions. [2018-02-04 03:34:40,096 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:34:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1677 transitions. [2018-02-04 03:34:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:34:40,098 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:40,098 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:40,098 INFO L371 AbstractCegarLoop]: === Iteration 101 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:40,098 INFO L82 PathProgramCache]: Analyzing trace with hash -517806546, now seen corresponding path program 1 times [2018-02-04 03:34:40,098 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:40,110 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:41,332 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:41,332 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-02-04 03:34:41,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:41,333 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 03:34:41,333 INFO L182 omatonBuilderFactory]: Interpolants [140418#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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)))) (= main_~head~0.offset 0)), 140419#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8)) 0)) (and (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)) (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 (= 0 main_~x~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ 0 8)))))) (= 0 main_~x~0.offset)), 140416#(and (= main_~head~0.offset 0) (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem40.offset|)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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))))), 140417#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 main_~x~0.offset)) (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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)))) (= main_~head~0.offset 0)), 140422#(and (or (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| 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 8)) main_~x~0.base)) (not (= 0 main_~head~0.base))) (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0))) (= main_~head~0.offset 0)), 140423#(and (or (and (not (= main_~head~0.base main_~x~0.base)) (not (= 0 |main_#t~mem43.base|)) (not (= 0 main_~head~0.base)) (= 1 (select (store |#valid| |main_#t~mem43.base| 0) main_~x~0.base))) (not (= |main_#t~mem43.offset| 0))) (= main_~head~0.offset 0)), 140420#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| (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 8)) (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))))) (= main_~head~0.offset 0)), 140421#(and (or (not (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)) 0)) (and (not (= main_~head~0.base |main_#t~mem41.base|)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| |main_#t~mem41.base|)) (not (= 0 main_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) |main_#t~mem41.base|)))) (= main_~head~0.offset 0)), 140424#(and (= 1 (select (store |#valid| main_~head~0.base 0) main_~x~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 140425#(= 1 (select |#valid| main_~x~0.base)), 140394#(and (not (= 0 |main_#t~malloc0.base|)) (= |main_#t~malloc0.offset| 0)), 140395#(and (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 140392#true, 140393#false, 140398#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 140399#(and (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem7.base| (store (select |#memory_$Pointer$.base| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 140396#(and (= (select |#valid| main_~head~0.base) 1) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 140397#(and (not (= main_~head~0.base |main_#t~malloc5.base|)) (not (= 0 |main_#t~malloc5.base|)) (= 1 (select |#valid| |main_#t~malloc5.base|)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0)), 140402#(and (not (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (not (= (select (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.base|) (+ main_~head~0.offset 8)) |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 140403#(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)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 140400#(and (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~head~0.base)) (not (= 0 main_~head~0.base)) (= main_~head~0.offset 0) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8))))), 140401#(and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.offset main_~head~0.offset) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 140406#(and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset |main_#t~mem19.offset|)), 140407#(and (or (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) (+ main_~head~0.offset 8)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) 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 (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0)), 140404#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (not (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)) |main_#t~mem17.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (not (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= 0 main_~head~0.base)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 140405#(and (= 1 (select |#valid| (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)) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 140410#(and (= main_~head~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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))) (and (= 0 (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))))), 140411#(and (or (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) 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))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))) (= main_~head~0.offset 0) (= 0 main_~x~0.offset)), 140408#(and (or (and (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 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)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (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)))) (= main_~head~0.offset 0)), 140409#(and (or (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (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 8) main_~x~0.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 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= 0 (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base)) main_~head~0.base) (+ main_~head~0.offset 8)))) (not (= 0 main_~head~0.base)))) (= main_~head~0.offset 0)), 140414#(and (= main_~head~0.offset 0) (or (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base)) (and (not (= 1 |main_#t~mem35.offset|)) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~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))))))), 140415#(and (or (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base)) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~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)), 140412#(and (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= |main_#t~mem33.offset| (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (= 0 main_~x~0.offset)), 140413#(and (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8))) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))) (not (= 0 main_~head~0.base)) (not (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (not (= (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~head~0.offset 8)) (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))) (and (= 0 (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~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))))) (and (not (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) 0)) (= main_~head~0.offset main_~x~0.offset) (= main_~x~0.base main_~head~0.base))) (= main_~head~0.offset 0))] [2018-02-04 03:34:41,333 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:41,333 INFO L409 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-02-04 03:34:41,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-02-04 03:34:41,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=997, Unknown=0, NotChecked=0, Total=1122 [2018-02-04 03:34:41,333 INFO L87 Difference]: Start difference. First operand 1482 states and 1677 transitions. Second operand 34 states. [2018-02-04 03:34:46,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:46,098 INFO L93 Difference]: Finished difference Result 1904 states and 2154 transitions. [2018-02-04 03:34:46,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-02-04 03:34:46,098 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 89 [2018-02-04 03:34:46,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:46,099 INFO L225 Difference]: With dead ends: 1904 [2018-02-04 03:34:46,099 INFO L226 Difference]: Without dead ends: 1904 [2018-02-04 03:34:46,099 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2213 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1458, Invalid=6914, Unknown=0, NotChecked=0, Total=8372 [2018-02-04 03:34:46,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1904 states. [2018-02-04 03:34:46,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1904 to 1474. [2018-02-04 03:34:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2018-02-04 03:34:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 1667 transitions. [2018-02-04 03:34:46,106 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 1667 transitions. Word has length 89 [2018-02-04 03:34:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:46,106 INFO L432 AbstractCegarLoop]: Abstraction has 1474 states and 1667 transitions. [2018-02-04 03:34:46,107 INFO L433 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-02-04 03:34:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1667 transitions. [2018-02-04 03:34:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:34:46,107 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:46,107 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:46,107 INFO L371 AbstractCegarLoop]: === Iteration 102 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:46,108 INFO L82 PathProgramCache]: Analyzing trace with hash -16562411, now seen corresponding path program 1 times [2018-02-04 03:34:46,108 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:46,115 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:46,608 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:46,608 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-02-04 03:34:46,608 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:46,608 INFO L182 omatonBuilderFactory]: Interpolants [143938#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 143939#(= 1 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))), 143936#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 143937#(and (= 0 |main_#t~mem41.offset|) (= 1 (select (select |#memory_int| |main_#t~mem41.base|) (+ 0 12)))), 143940#(= 1 |main_#t~mem42|), 143922#(= 0 |main_#t~malloc0.offset|), 143923#(= main_~head~0.offset 0), 143920#true, 143921#false, 143926#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 143927#(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) (= main_~head~0.offset 0)), 143924#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 143925#(and (= 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)), 143930#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 143931#(and (= 1 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 0 (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 143928#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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) (= main_~head~0.offset 0)), 143929#(and (= (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.offset|) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 143934#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 |main_#t~mem40.offset|) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 143935#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 main_~x~0.offset)), 143932#(and (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 143933#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= 1 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset 0))] [2018-02-04 03:34:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:46,609 INFO L409 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-02-04 03:34:46,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-02-04 03:34:46,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2018-02-04 03:34:46,609 INFO L87 Difference]: Start difference. First operand 1474 states and 1667 transitions. Second operand 21 states. [2018-02-04 03:34:48,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:48,009 INFO L93 Difference]: Finished difference Result 1825 states and 2023 transitions. [2018-02-04 03:34:48,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-02-04 03:34:48,009 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 89 [2018-02-04 03:34:48,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:48,010 INFO L225 Difference]: With dead ends: 1825 [2018-02-04 03:34:48,010 INFO L226 Difference]: Without dead ends: 1727 [2018-02-04 03:34:48,011 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=2861, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:34:48,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2018-02-04 03:34:48,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1526. [2018-02-04 03:34:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2018-02-04 03:34:48,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1723 transitions. [2018-02-04 03:34:48,018 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1723 transitions. Word has length 89 [2018-02-04 03:34:48,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:48,018 INFO L432 AbstractCegarLoop]: Abstraction has 1526 states and 1723 transitions. [2018-02-04 03:34:48,018 INFO L433 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-02-04 03:34:48,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1723 transitions. [2018-02-04 03:34:48,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-02-04 03:34:48,019 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:48,019 INFO L351 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:48,019 INFO L371 AbstractCegarLoop]: === Iteration 103 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:48,019 INFO L82 PathProgramCache]: Analyzing trace with hash -2005070819, now seen corresponding path program 1 times [2018-02-04 03:34:48,020 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:48,027 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:48,336 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:48,336 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:34:48,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:48,337 INFO L182 omatonBuilderFactory]: Interpolants [147370#true, 147371#false, 147374#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 147375#(and (= 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)), 147372#(= 0 |main_#t~malloc0.offset|), 147373#(= main_~head~0.offset 0), 147378#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 147379#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 0 |main_#t~mem19.offset|)), 147376#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 0 |main_#t~malloc15.offset|)), 147377#(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)), 147382#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= main_~head~0.offset 0) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 147383#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)) (+ main_~head~0.offset 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~head~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 147380#(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 0)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (not (= main_~x~0.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 0)) main_~head~0.base) main_~head~0.offset))), 147381#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset main_~x~0.offset) (= 0 (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 12))) (= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 147386#(and (= 0 (select (select |#memory_int| main_~x~0.base) (+ 0 12))) (= 0 main_~x~0.offset)), 147387#(= 0 (select (select |#memory_int| main_~head~0.base) (+ main_~head~0.offset 12))), 147384#(and (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ 0 12))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))), 147385#(and (= 0 |main_#t~mem41.offset|) (= 0 (select (select |#memory_int| |main_#t~mem41.base|) (+ 0 12)))), 147388#(= 0 |main_#t~mem42|)] [2018-02-04 03:34:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:48,337 INFO L409 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-02-04 03:34:48,337 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-02-04 03:34:48,337 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2018-02-04 03:34:48,337 INFO L87 Difference]: Start difference. First operand 1526 states and 1723 transitions. Second operand 19 states. [2018-02-04 03:34:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:49,398 INFO L93 Difference]: Finished difference Result 1674 states and 1868 transitions. [2018-02-04 03:34:49,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-02-04 03:34:49,398 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 89 [2018-02-04 03:34:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:49,399 INFO L225 Difference]: With dead ends: 1674 [2018-02-04 03:34:49,400 INFO L226 Difference]: Without dead ends: 1576 [2018-02-04 03:34:49,400 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 2 SyntacticMatches, 4 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=538, Invalid=2218, Unknown=0, NotChecked=0, Total=2756 [2018-02-04 03:34:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2018-02-04 03:34:49,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1371. [2018-02-04 03:34:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2018-02-04 03:34:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1561 transitions. [2018-02-04 03:34:49,406 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1561 transitions. Word has length 89 [2018-02-04 03:34:49,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:49,406 INFO L432 AbstractCegarLoop]: Abstraction has 1371 states and 1561 transitions. [2018-02-04 03:34:49,406 INFO L433 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-02-04 03:34:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1561 transitions. [2018-02-04 03:34:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:34:49,407 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:49,407 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-02-04 03:34:49,407 INFO L371 AbstractCegarLoop]: === Iteration 104 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:49,407 INFO L82 PathProgramCache]: Analyzing trace with hash 661109365, now seen corresponding path program 1 times [2018-02-04 03:34:49,407 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:49,419 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:50,063 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:50,064 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:34:50,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:50,064 INFO L182 omatonBuilderFactory]: Interpolants [150528#(= 0 |main_#t~mem43.offset|), 150502#true, 150503#false, 150506#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 150507#(and (= 0 |main_#t~malloc5.offset|) (not (= main_~head~0.base |main_#t~malloc5.base|)) (= main_~head~0.offset 0)), 150504#(= |main_#t~malloc0.offset| 0), 150505#(= main_~head~0.offset 0), 150510#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 150511#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 150508#(and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) (+ main_~head~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 150509#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem7.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem7.base|) |main_#t~mem7.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (not (= main_~head~0.base |main_#t~mem7.base|))), 150514#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 150515#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 150512#(and (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|) (= main_~head~0.offset 0)), 150513#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (not (= main_~x~0.offset (+ main_~head~0.offset 8))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 150518#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1)) (and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))) (= main_~head~0.offset 0)), 150519#(and (or (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 8) |main_#t~malloc23.offset|)) main_~head~0.base) (+ main_~head~0.offset 8))) (not (= main_~head~0.base |main_#t~malloc23.base|))) (and (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.offset|) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~malloc23.base|)) (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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)), 150516#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0) (= main_~head~0.offset |main_#t~mem19.offset|)), 150517#(and (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)) (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 0)) main_~head~0.base) (+ main_~head~0.offset 8))) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)))) (= main_~head~0.offset 0)), 150522#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (and (= 0 (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)))) (= main_~head~0.offset 0)), 150523#(and (= main_~head~0.offset 0) (or (and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~head~0.offset 8))) (= main_~x~0.base main_~head~0.base)) (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) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset))))), 150520#(and (or (and (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8)))) (and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (= main_~x~0.base main_~head~0.base) (= 0 (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)))) (= main_~head~0.offset 0)), 150521#(and (or (and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) (+ main_~head~0.offset 8)))) (= main_~head~0.offset 0)), 150526#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (= main_~head~0.offset 0)), 150527#(and (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ 0 8))) (= 0 main_~x~0.offset)), 150524#(and (= main_~head~0.offset 0) (or (and (= |main_#t~mem40.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= |main_#t~mem40.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))))), 150525#(and (or (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) (+ main_~head~0.offset 8))) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (= main_~head~0.offset 0))] [2018-02-04 03:34:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:50,064 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:34:50,064 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:34:50,065 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:34:50,065 INFO L87 Difference]: Start difference. First operand 1371 states and 1561 transitions. Second operand 27 states. [2018-02-04 03:34:52,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:52,073 INFO L93 Difference]: Finished difference Result 1826 states and 2073 transitions. [2018-02-04 03:34:52,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:34:52,073 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 90 [2018-02-04 03:34:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:52,074 INFO L225 Difference]: With dead ends: 1826 [2018-02-04 03:34:52,074 INFO L226 Difference]: Without dead ends: 1826 [2018-02-04 03:34:52,075 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1178, Invalid=3934, Unknown=0, NotChecked=0, Total=5112 [2018-02-04 03:34:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2018-02-04 03:34:52,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1380. [2018-02-04 03:34:52,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1380 states. [2018-02-04 03:34:52,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1570 transitions. [2018-02-04 03:34:52,081 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1570 transitions. Word has length 90 [2018-02-04 03:34:52,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:52,081 INFO L432 AbstractCegarLoop]: Abstraction has 1380 states and 1570 transitions. [2018-02-04 03:34:52,081 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:34:52,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1570 transitions. [2018-02-04 03:34:52,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:34:52,082 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:52,082 INFO L351 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2018-02-04 03:34:52,082 INFO L371 AbstractCegarLoop]: === Iteration 105 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:52,082 INFO L82 PathProgramCache]: Analyzing trace with hash -215271596, now seen corresponding path program 1 times [2018-02-04 03:34:52,082 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:52,089 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:52,304 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:52,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:52,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-02-04 03:34:52,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:52,305 INFO L182 omatonBuilderFactory]: Interpolants [153826#false, 153827#(= (select |#valid| main_~head~0.base) 1), 153825#true, 153830#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 153831#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~mem17.base|)) (= (select |#valid| main_~x~0.base) 1)), 153828#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 153829#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|))), 153834#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= 16 (select |#length| main_~x~0.base))), 153835#(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 8)))) (= 16 (select |#length| main_~x~0.base))), 153832#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 153833#(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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 153838#(and (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~head~0.offset)))), 153839#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 153836#(= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))), 153837#(= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 153842#(and (= (select |#length| main_~head~0.base) 16) (= main_~x~0.offset main_~head~0.offset)), 153843#(and (= (select |#length| main_~head~0.base) 16) (<= 0 main_~head~0.offset)), 153840#(= 16 (select |#length| |main_#t~mem41.base|)), 153841#(= 16 (select |#length| main_~x~0.base)), 153844#(and (<= main_~head~0.offset 0) (<= 0 main_~head~0.offset))] [2018-02-04 03:34:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-02-04 03:34:52,305 INFO L409 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-02-04 03:34:52,305 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-02-04 03:34:52,305 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2018-02-04 03:34:52,305 INFO L87 Difference]: Start difference. First operand 1380 states and 1570 transitions. Second operand 20 states. [2018-02-04 03:34:53,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:53,070 INFO L93 Difference]: Finished difference Result 1416 states and 1605 transitions. [2018-02-04 03:34:53,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-02-04 03:34:53,071 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 90 [2018-02-04 03:34:53,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:53,072 INFO L225 Difference]: With dead ends: 1416 [2018-02-04 03:34:53,072 INFO L226 Difference]: Without dead ends: 1416 [2018-02-04 03:34:53,072 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=248, Invalid=1392, Unknown=0, NotChecked=0, Total=1640 [2018-02-04 03:34:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2018-02-04 03:34:53,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1392. [2018-02-04 03:34:53,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1392 states. [2018-02-04 03:34:53,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1588 transitions. [2018-02-04 03:34:53,078 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1588 transitions. Word has length 90 [2018-02-04 03:34:53,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:53,078 INFO L432 AbstractCegarLoop]: Abstraction has 1392 states and 1588 transitions. [2018-02-04 03:34:53,078 INFO L433 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-02-04 03:34:53,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1588 transitions. [2018-02-04 03:34:53,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:34:53,079 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:53,079 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:53,079 INFO L371 AbstractCegarLoop]: === Iteration 106 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:53,079 INFO L82 PathProgramCache]: Analyzing trace with hash 294766354, now seen corresponding path program 2 times [2018-02-04 03:34:53,080 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:53,089 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:53,705 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:53,705 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:34:53,705 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:53,706 INFO L182 omatonBuilderFactory]: Interpolants [156695#true, 156698#(= main_~head~0.offset 0), 156699#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 156696#false, 156697#(= |main_#t~malloc0.offset| 0), 156702#(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)), 156703#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 156700#(and (= 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)), 156701#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 156706#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 156707#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 156704#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 156705#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 156710#(and (or (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))) (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 156711#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 156708#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))), 156709#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 156714#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|)))), 156715#(or (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 156712#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))))), 156713#(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)) (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)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 156718#(or (and (= 0 (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))) (= 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))))), 156719#(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)))) (and (= 0 (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)))), 156716#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1))), 156717#(or (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 8) 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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= (select |#valid| main_~x~0.base) 1)) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 156722#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 156723#(= 1 (select |#valid| |main_#t~mem40.base|)), 156720#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 156721#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 156724#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:34:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:53,706 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:34:53,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:34:53,706 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:34:53,706 INFO L87 Difference]: Start difference. First operand 1392 states and 1588 transitions. Second operand 30 states. [2018-02-04 03:34:56,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:56,198 INFO L93 Difference]: Finished difference Result 1696 states and 1944 transitions. [2018-02-04 03:34:56,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-02-04 03:34:56,198 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 90 [2018-02-04 03:34:56,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:56,199 INFO L225 Difference]: With dead ends: 1696 [2018-02-04 03:34:56,199 INFO L226 Difference]: Without dead ends: 1696 [2018-02-04 03:34:56,200 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1317 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=796, Invalid=4754, Unknown=0, NotChecked=0, Total=5550 [2018-02-04 03:34:56,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2018-02-04 03:34:56,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1532. [2018-02-04 03:34:56,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1532 states. [2018-02-04 03:34:56,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1748 transitions. [2018-02-04 03:34:56,208 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 1748 transitions. Word has length 90 [2018-02-04 03:34:56,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:56,208 INFO L432 AbstractCegarLoop]: Abstraction has 1532 states and 1748 transitions. [2018-02-04 03:34:56,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:34:56,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1748 transitions. [2018-02-04 03:34:56,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:34:56,209 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:56,209 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:56,209 INFO L371 AbstractCegarLoop]: === Iteration 107 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:56,209 INFO L82 PathProgramCache]: Analyzing trace with hash 294766355, now seen corresponding path program 3 times [2018-02-04 03:34:56,209 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:56,218 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:34:56,952 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:56,953 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:34:56,953 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-02-04 03:34:56,953 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:34:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:56,953 INFO L182 omatonBuilderFactory]: Interpolants [160066#(or (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))) (= 16 (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))))) (and (= 0 (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)))), 160067#(or (and (= 0 (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))) (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))) (= 16 (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)))))), 160064#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)))), 160065#(or (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 8) main_~x~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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 16 (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 8) 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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 160070#(and (= 16 (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))), 160071#(and (= 16 (select |#length| |main_#t~mem40.base|)) (= 0 |main_#t~mem40.offset|)), 160068#(or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 160069#(or (and (= 16 (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))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 160072#(and (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset)), 160043#true, 160046#(= main_~head~0.offset 0), 160047#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 160044#false, 160045#(= |main_#t~malloc0.offset| 0), 160050#(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)), 160051#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 160048#(and (= 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)), 160049#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 160054#(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 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 160055#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 160052#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 160053#(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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 160058#(and (or (and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)) (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 160059#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 160056#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 160057#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 160062#(or (and (= main_~head~0.base |main_#t~mem19.base|) (= main_~head~0.offset |main_#t~mem19.offset|)) (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) |main_#t~mem19.base|)) (= 16 (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 |main_#t~mem19.base|)))), 160063#(or (and (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 0)) main_~head~0.base) main_~head~0.offset))) (= 16 (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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 160060#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset))) (and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))))), 160061#(or (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))) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))] [2018-02-04 03:34:56,953 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:34:56,953 INFO L409 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-02-04 03:34:56,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-02-04 03:34:56,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=784, Unknown=0, NotChecked=0, Total=870 [2018-02-04 03:34:56,954 INFO L87 Difference]: Start difference. First operand 1532 states and 1748 transitions. Second operand 30 states. [2018-02-04 03:34:59,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:34:59,912 INFO L93 Difference]: Finished difference Result 1771 states and 2031 transitions. [2018-02-04 03:34:59,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-02-04 03:34:59,913 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 90 [2018-02-04 03:34:59,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:34:59,914 INFO L225 Difference]: With dead ends: 1771 [2018-02-04 03:34:59,914 INFO L226 Difference]: Without dead ends: 1771 [2018-02-04 03:34:59,914 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=617, Invalid=4213, Unknown=0, NotChecked=0, Total=4830 [2018-02-04 03:34:59,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2018-02-04 03:34:59,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1492. [2018-02-04 03:34:59,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2018-02-04 03:34:59,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 1703 transitions. [2018-02-04 03:34:59,920 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 1703 transitions. Word has length 90 [2018-02-04 03:34:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:34:59,921 INFO L432 AbstractCegarLoop]: Abstraction has 1492 states and 1703 transitions. [2018-02-04 03:34:59,921 INFO L433 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-02-04 03:34:59,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1703 transitions. [2018-02-04 03:34:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:34:59,921 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:34:59,921 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:34:59,921 INFO L371 AbstractCegarLoop]: === Iteration 108 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:34:59,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2116903108, now seen corresponding path program 3 times [2018-02-04 03:34:59,922 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:34:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:34:59,933 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:00,780 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 03:35:00,780 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:00,780 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-02-04 03:35:00,780 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:00,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:00,781 INFO L182 omatonBuilderFactory]: Interpolants [163418#(= |main_#t~malloc0.offset| 0), 163419#(= main_~head~0.offset 0), 163416#true, 163417#false, 163422#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0)), 163423#(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)), 163420#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 163421#(and (= 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)), 163426#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 163427#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 163424#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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)), 163425#(and (= |main_#t~mem19.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 |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 163430#(and (= 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_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 163431#(and (= |main_#t~malloc15.offset| main_~head~0.offset) (or (= main_~head~0.base |main_#t~malloc15.base|) (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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 163428#(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 (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 163429#(and (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 163434#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (or (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)) (= main_~head~0.offset 0)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 163435#(and (or (= main_~head~0.base |main_#t~mem19.base|) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0))) (= |main_#t~mem19.offset| main_~head~0.offset)), 163432#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (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)) (= main_~head~0.offset 0)) (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 163433#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) main_~head~0.offset) (or (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)) (and (= 1 (select |#valid| main_~x~0.base)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)))), 163438#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (and (not (= main_~head~0.base |main_#t~malloc15.base|)) (= main_~x~0.offset main_~head~0.offset) (or (= |main_#t~malloc15.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset))))) (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)))), 163439#(and (or (and (= main_~x~0.offset main_~head~0.offset) (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))))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 163436#(and (or (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 0)) main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)) (= main_~x~0.base main_~head~0.base)) (= main_~x~0.offset main_~head~0.offset)), 163437#(and (= main_~x~0.offset main_~head~0.offset) (or (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= main_~head~0.offset 0)) (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 163442#(or (and (= |main_#t~mem19.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base |main_#t~mem19.base|))) (and (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|)))), 163443#(or (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))) (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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base))) (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base))), 163440#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (or (and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= main_~x~0.offset main_~head~0.offset) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 163441#(or (and (= main_~x~0.offset main_~head~0.offset) (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))))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 163446#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (and (= 0 (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)))), 163447#(or (and (= 0 (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))) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 163444#(and (= (select |#valid| main_~x~0.base) 1) (or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 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))))), 163445#(and (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) 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)), 163450#(= (select |#valid| main_~x~0.base) 1), 163448#(or (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|)) (= 1 (select |#valid| |main_#t~mem40.base|))), 163449#(or (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset)) (= (select |#valid| main_~x~0.base) 1))] [2018-02-04 03:35:00,781 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 03:35:00,781 INFO L409 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-02-04 03:35:00,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-02-04 03:35:00,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2018-02-04 03:35:00,781 INFO L87 Difference]: Start difference. First operand 1492 states and 1703 transitions. Second operand 35 states. [2018-02-04 03:35:04,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:35:04,024 INFO L93 Difference]: Finished difference Result 1820 states and 2089 transitions. [2018-02-04 03:35:04,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-02-04 03:35:04,025 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 90 [2018-02-04 03:35:04,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:35:04,026 INFO L225 Difference]: With dead ends: 1820 [2018-02-04 03:35:04,026 INFO L226 Difference]: Without dead ends: 1820 [2018-02-04 03:35:04,026 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 5 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2128 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1488, Invalid=5994, Unknown=0, NotChecked=0, Total=7482 [2018-02-04 03:35:04,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2018-02-04 03:35:04,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1479. [2018-02-04 03:35:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2018-02-04 03:35:04,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1689 transitions. [2018-02-04 03:35:04,032 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1689 transitions. Word has length 90 [2018-02-04 03:35:04,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:35:04,033 INFO L432 AbstractCegarLoop]: Abstraction has 1479 states and 1689 transitions. [2018-02-04 03:35:04,033 INFO L433 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-02-04 03:35:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1689 transitions. [2018-02-04 03:35:04,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:35:04,033 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:35:04,033 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:35:04,033 INFO L371 AbstractCegarLoop]: === Iteration 109 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:35:04,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2116903107, now seen corresponding path program 4 times [2018-02-04 03:35:04,034 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:35:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:35:04,045 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:05,106 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 03:35:05,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:05,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-02-04 03:35:05,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:05,106 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 03:35:05,107 INFO L182 omatonBuilderFactory]: Interpolants [166854#true, 166855#false, 166858#(and (= (select |#valid| main_~head~0.base) 1) (= main_~head~0.offset 0)), 166859#(and (= 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)), 166856#(= |main_#t~malloc0.offset| 0), 166857#(= main_~head~0.offset 0), 166862#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.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)), 166863#(and (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 166860#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= 16 (select |#length| |main_#t~malloc15.base|))), 166861#(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) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 166866#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset) (= 16 (select |#length| main_~x~0.base)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 166867#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)) (<= main_~x~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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (not (= main_~head~0.base |main_#t~malloc23.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 16)), 166864#(and (or (< 0 main_~x~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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0))) (= (select |#length| main_~x~0.base) 16)), 166865#(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)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)) (< 0 main_~x~0.offset)) (= (select |#length| main_~x~0.base) 16)), 166870#(and (<= 16 (select |#length| main_~x~0.base)) (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (<= 0 main_~x~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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (= main_~head~0.offset 0)), 166871#(and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 0) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 0 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) (not (= (select |#valid| main_~x~0.base) 0))), 166868#(and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 0) (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#length| main_~x~0.base) 16)), 166869#(and (<= main_~x~0.offset 0) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 166874#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~head~0.base |main_#t~mem19.base|)) (= main_~head~0.offset 0)), 166875#(and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 16) (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= (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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0)), 166872#(and (<= 16 (select |#length| main_~x~0.base)) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (<= main_~x~0.offset 0) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (<= 0 main_~x~0.offset) (= main_~head~0.offset 0) (not (= (select |#valid| main_~x~0.base) 0)) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 166873#(and (<= 16 (select |#length| main_~x~0.base)) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~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 0) (<= 0 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) (not (= (select |#valid| main_~x~0.base) 0))), 166878#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (or (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base)))), 166879#(and (or (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) main_~head~0.base)) (and (<= (+ (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) 16) (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (<= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))))) (not (= main_~x~0.base |main_#t~mem17.base|))), 166876#(and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 0)) (not (= main_~x~0.base main_~head~0.base)) (= main_~head~0.offset 0) (= (select |#valid| main_~x~0.base) 1)), 166877#(and (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (and (= |main_#t~malloc15.base| main_~head~0.base) (= main_~head~0.offset |main_#t~malloc15.offset|)) (and (not (= main_~head~0.base |main_#t~malloc15.base|)) (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.offset|)) main_~head~0.base) main_~head~0.offset) 16) (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~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))))), 166882#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset) 16) (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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base main_~head~0.base)))), 166883#(or (and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= 0 (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~x~0.base main_~head~0.base)))), 166880#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))) (and (= main_~head~0.offset (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)) (= (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset) main_~head~0.base))), 166881#(or (and (= |main_#t~mem19.base| main_~head~0.base) (= main_~head~0.offset |main_#t~mem19.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)) (not (= main_~head~0.base |main_#t~mem19.base|)))), 166886#(or (and (= 0 (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))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 16) (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)))), 166887#(or (and (<= 0 |main_#t~mem40.offset|) (<= (+ |main_#t~mem40.offset| 16) (select |#length| |main_#t~mem40.base|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 166884#(or (and (= 0 (select (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.base) main_~x~0.offset)) (= 0 (select (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset) main_~x~0.offset)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base)) (and (<= (+ (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset) 16) (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 8) main_~x~0.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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)))), 166885#(or (and (= 0 (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))) (and (<= (+ (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset) 16) (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)))), 166888#(or (and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset)) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 166889#(and (<= (+ main_~x~0.offset 16) (select |#length| main_~x~0.base)) (<= 0 main_~x~0.offset))] [2018-02-04 03:35:05,107 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 03:35:05,107 INFO L409 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-02-04 03:35:05,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-02-04 03:35:05,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1075, Unknown=0, NotChecked=0, Total=1260 [2018-02-04 03:35:05,107 INFO L87 Difference]: Start difference. First operand 1479 states and 1689 transitions. Second operand 36 states. [2018-02-04 03:35:08,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:35:08,488 INFO L93 Difference]: Finished difference Result 1917 states and 2202 transitions. [2018-02-04 03:35:08,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-02-04 03:35:08,488 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 90 [2018-02-04 03:35:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:35:08,490 INFO L225 Difference]: With dead ends: 1917 [2018-02-04 03:35:08,490 INFO L226 Difference]: Without dead ends: 1917 [2018-02-04 03:35:08,491 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2112 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1370, Invalid=5940, Unknown=0, NotChecked=0, Total=7310 [2018-02-04 03:35:08,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2018-02-04 03:35:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1479. [2018-02-04 03:35:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1479 states. [2018-02-04 03:35:08,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1689 transitions. [2018-02-04 03:35:08,498 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1689 transitions. Word has length 90 [2018-02-04 03:35:08,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:35:08,498 INFO L432 AbstractCegarLoop]: Abstraction has 1479 states and 1689 transitions. [2018-02-04 03:35:08,498 INFO L433 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-02-04 03:35:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1689 transitions. [2018-02-04 03:35:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:35:08,499 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:35:08,499 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:35:08,499 INFO L371 AbstractCegarLoop]: === Iteration 110 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:35:08,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1854535560, now seen corresponding path program 4 times [2018-02-04 03:35:08,500 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:35:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:35:08,510 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:08,976 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:08,976 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:08,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:35:08,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:08,977 INFO L182 omatonBuilderFactory]: Interpolants [170386#true, 170387#false, 170390#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 170391#(and (= 0 main_~head~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)), 170388#(= 0 |main_#t~malloc0.offset|), 170389#(= 0 main_~head~0.offset), 170394#(and (= 0 main_~head~0.offset) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 170395#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 170392#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 170393#(and (= 0 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.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 170398#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset))), 170399#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~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))) (= (select |#valid| main_~x~0.base) 1)), 170396#(and (= 0 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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 170397#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 170402#(and (= 0 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (not (= main_~x~0.base main_~head~0.base))), 170403#(and (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)))), 170400#(and (= 0 main_~head~0.offset) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 170401#(and (= 0 main_~head~0.offset) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|))), 170406#(or (and (= 0 (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))) (= 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))))), 170407#(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)))) (and (= 0 (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)))), 170404#(and (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 1 (select |#valid| 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 (= (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))))), 170405#(or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)))) (and (= |main_#t~mem25.base| main_~head~0.base) (= |main_#t~mem25.offset| main_~head~0.offset))), 170410#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 170411#(= 1 (select |#valid| |main_#t~mem40.base|)), 170408#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 170409#(or (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 170412#(= 1 (select |#valid| main_~x~0.base))] [2018-02-04 03:35:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:08,977 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:35:08,977 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:35:08,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:35:08,978 INFO L87 Difference]: Start difference. First operand 1479 states and 1689 transitions. Second operand 27 states. [2018-02-04 03:35:10,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:35:10,835 INFO L93 Difference]: Finished difference Result 1759 states and 2019 transitions. [2018-02-04 03:35:10,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-02-04 03:35:10,835 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 90 [2018-02-04 03:35:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:35:10,836 INFO L225 Difference]: With dead ends: 1759 [2018-02-04 03:35:10,837 INFO L226 Difference]: Without dead ends: 1759 [2018-02-04 03:35:10,837 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=755, Invalid=3801, Unknown=0, NotChecked=0, Total=4556 [2018-02-04 03:35:10,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2018-02-04 03:35:10,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1519. [2018-02-04 03:35:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2018-02-04 03:35:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1734 transitions. [2018-02-04 03:35:10,845 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1734 transitions. Word has length 90 [2018-02-04 03:35:10,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:35:10,845 INFO L432 AbstractCegarLoop]: Abstraction has 1519 states and 1734 transitions. [2018-02-04 03:35:10,845 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:35:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1734 transitions. [2018-02-04 03:35:10,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:35:10,845 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:35:10,845 INFO L351 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:35:10,846 INFO L371 AbstractCegarLoop]: === Iteration 111 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:35:10,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1854535561, now seen corresponding path program 5 times [2018-02-04 03:35:10,846 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:35:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:35:10,857 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:11,458 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:11,458 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:11,458 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-02-04 03:35:11,459 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:11,459 INFO L182 omatonBuilderFactory]: Interpolants [173774#false, 173775#(= 0 |main_#t~malloc0.offset|), 173773#true, 173778#(and (= 0 main_~head~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)), 173779#(and (= 0 main_~head~0.offset) (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 173776#(= 0 main_~head~0.offset), 173777#(and (= 0 main_~head~0.offset) (= (select |#valid| main_~head~0.base) 1)), 173782#(and (= 0 main_~head~0.offset) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|) (= |main_#t~mem19.offset| (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|))), 173783#(and (= 0 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 0)) 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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 173780#(and (= 0 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.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 173781#(and (= 0 main_~head~0.offset) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 173786#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 16 (select |#length| (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))) (= (select |#valid| main_~x~0.base) 1)), 173787#(and (= 0 main_~head~0.offset) (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| |main_#t~mem17.base|)) (= (select |#valid| main_~x~0.base) 1) (= main_~x~0.offset (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 173784#(and (= 0 main_~head~0.offset) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 173785#(and (= 0 main_~head~0.offset) (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 173790#(and (= |main_#t~malloc23.offset| 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 8) |main_#t~malloc23.offset|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| 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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset) |main_#t~malloc23.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 8) |main_#t~malloc23.base|)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8) |main_#t~malloc23.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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)))), 173791#(and (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~x~0.base) (+ main_~x~0.offset 8)) main_~head~0.offset) (= 16 (select |#length| 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 (= (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))))), 173788#(and (= 0 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))) (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (not (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) |main_#t~mem19.base|)) (not (= main_~head~0.base |main_#t~mem19.base|))), 173789#(and (= 0 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) main_~head~0.base) main_~head~0.offset)) 1) (= 16 (select |#length| 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 0)) (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 173794#(or (and (= 0 (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))) (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))) (= 16 (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)))))), 173795#(or (and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |main_#t~mem40.base|) |main_#t~mem40.offset|))) (and (= 0 |main_#t~mem40.offset|) (= 0 |main_#t~mem40.base|))), 173792#(or (and (= |main_#t~mem25.base| main_~head~0.base) (= |main_#t~mem25.offset| main_~head~0.offset)) (and (= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)))) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))))), 173793#(or (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))) (= 16 (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))))) (and (= 0 (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)))), 173798#(and (= 16 (select |#length| |main_#t~mem40.base|)) (= 0 |main_#t~mem40.offset|)), 173799#(and (= (select |#length| main_~x~0.base) 16) (= 0 main_~x~0.offset)), 173796#(or (and (= 16 (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))) (and (= 0 main_~x~0.base) (= 0 main_~x~0.offset))), 173797#(and (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= 0 (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset)))] [2018-02-04 03:35:11,459 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:11,459 INFO L409 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-02-04 03:35:11,459 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-02-04 03:35:11,459 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702 [2018-02-04 03:35:11,460 INFO L87 Difference]: Start difference. First operand 1519 states and 1734 transitions. Second operand 27 states. [2018-02-04 03:35:13,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:35:13,539 INFO L93 Difference]: Finished difference Result 1834 states and 2106 transitions. [2018-02-04 03:35:13,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-02-04 03:35:13,539 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 90 [2018-02-04 03:35:13,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:35:13,541 INFO L225 Difference]: With dead ends: 1834 [2018-02-04 03:35:13,541 INFO L226 Difference]: Without dead ends: 1834 [2018-02-04 03:35:13,541 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 3 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=505, Invalid=3035, Unknown=0, NotChecked=0, Total=3540 [2018-02-04 03:35:13,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2018-02-04 03:35:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1406. [2018-02-04 03:35:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1406 states. [2018-02-04 03:35:13,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 1609 transitions. [2018-02-04 03:35:13,548 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 1609 transitions. Word has length 90 [2018-02-04 03:35:13,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:35:13,548 INFO L432 AbstractCegarLoop]: Abstraction has 1406 states and 1609 transitions. [2018-02-04 03:35:13,548 INFO L433 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-02-04 03:35:13,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1609 transitions. [2018-02-04 03:35:13,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:35:13,549 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:35:13,549 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:35:13,549 INFO L371 AbstractCegarLoop]: === Iteration 112 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:35:13,549 INFO L82 PathProgramCache]: Analyzing trace with hash -557133902, now seen corresponding path program 5 times [2018-02-04 03:35:13,549 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:35:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:35:13,562 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:14,048 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 03:35:14,048 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:14,048 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:35:14,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:14,048 INFO L182 omatonBuilderFactory]: Interpolants [177106#true, 177107#false, 177110#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base)), 177111#(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)), 177108#(= (select |#valid| main_~head~0.base) 1), 177109#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 177114#(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 0)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base))), 177115#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 177112#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 177113#(and (= |main_#t~mem19.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 |main_#t~mem19.base|))), 177118#(and (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 177119#(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)), 177116#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| main_~head~0.base) 1)), 177117#(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))) (= (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)), 177122#(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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base))), 177123#(and (= 1 (select |#valid| main_~x~0.base)) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) (+ main_~x~0.offset 8)))) (not (= (select |#valid| main_~head~0.base) 0)) (= 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))), 177120#(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_~head~0.base |main_#t~mem19.base|))), 177121#(and (= (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 0)) 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))), 177126#(and (not (= main_~head~0.base |main_#t~malloc15.base|)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (or (= |main_#t~malloc15.base| (select (select (store |#memory_$Pointer$.base| main_~x~0.base (store (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset |main_#t~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset))))), 177127#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (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))))), 177124#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 177125#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (= (select |#valid| main_~x~0.base) 1)), 177130#(and (not (= main_~head~0.base |main_#t~mem19.base|)) (or (= |main_#t~mem19.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))))), 177131#(and (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 0)) 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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base))), 177128#(and (or (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (= (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset) (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~mem17.base|)) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset)))), 177129#(and (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))))), 177134#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))), 177135#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))), 177132#(and (= 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))), 177133#(= 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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))), 177136#(= 1 (select |#valid| |main_#t~mem40.base|)), 177137#(= (select |#valid| main_~x~0.base) 1)] [2018-02-04 03:35:14,049 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 03:35:14,049 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:35:14,049 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:35:14,049 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:35:14,049 INFO L87 Difference]: Start difference. First operand 1406 states and 1609 transitions. Second operand 32 states. [2018-02-04 03:35:15,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:35:15,851 INFO L93 Difference]: Finished difference Result 1454 states and 1657 transitions. [2018-02-04 03:35:15,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-02-04 03:35:15,852 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 90 [2018-02-04 03:35:15,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:35:15,853 INFO L225 Difference]: With dead ends: 1454 [2018-02-04 03:35:15,853 INFO L226 Difference]: Without dead ends: 1454 [2018-02-04 03:35:15,853 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=879, Invalid=4091, Unknown=0, NotChecked=0, Total=4970 [2018-02-04 03:35:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2018-02-04 03:35:15,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1277. [2018-02-04 03:35:15,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2018-02-04 03:35:15,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1460 transitions. [2018-02-04 03:35:15,858 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1460 transitions. Word has length 90 [2018-02-04 03:35:15,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:35:15,859 INFO L432 AbstractCegarLoop]: Abstraction has 1277 states and 1460 transitions. [2018-02-04 03:35:15,859 INFO L433 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-02-04 03:35:15,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1460 transitions. [2018-02-04 03:35:15,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-02-04 03:35:15,859 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:35:15,859 INFO L351 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:35:15,859 INFO L371 AbstractCegarLoop]: === Iteration 113 === [mainErr51RequiresViolation, mainErr26RequiresViolation, mainErr54RequiresViolation, mainErr66RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr38RequiresViolation, mainErr0RequiresViolation, mainErr31RequiresViolation, mainErr46RequiresViolation, mainErr29RequiresViolation, mainErr3RequiresViolation, mainErr58RequiresViolation, mainErr62RequiresViolation, mainErr15RequiresViolation, mainErr49RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr35RequiresViolation, mainErr68EnsuresViolation, mainErr55RequiresViolation, mainErr65RequiresViolation, mainErr17RequiresViolation, mainErr42RequiresViolation, mainErr30RequiresViolation, mainErr11RequiresViolation, mainErr57RequiresViolation, mainErr63RequiresViolation, mainErr24RequiresViolation, mainErr44RequiresViolation, mainErr10RequiresViolation, mainErr43RequiresViolation, mainErr4RequiresViolation, mainErr50RequiresViolation, mainErr37RequiresViolation, mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr36RequiresViolation, mainErr61RequiresViolation, mainErr59RequiresViolation, mainErr28RequiresViolation, mainErr33RequiresViolation, mainErr21RequiresViolation, mainErr41RequiresViolation, mainErr56RequiresViolation, mainErr64RequiresViolation, mainErr48RequiresViolation, mainErr39RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr2RequiresViolation, mainErr52RequiresViolation, mainErr45RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr32RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr60RequiresViolation, mainErr9RequiresViolation, mainErr67RequiresViolation, mainErr53RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr8RequiresViolation, mainErr34RequiresViolation, mainErr47RequiresViolation, mainErr14RequiresViolation, mainErr40RequiresViolation]=== [2018-02-04 03:35:15,859 INFO L82 PathProgramCache]: Analyzing trace with hash -557133901, now seen corresponding path program 6 times [2018-02-04 03:35:15,860 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:35:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:35:15,873 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:35:16,617 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 03:35:16,617 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-04 03:35:16,617 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-02-04 03:35:16,617 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:35:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 03:35:16,618 INFO L182 omatonBuilderFactory]: Interpolants [179970#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)))), 179971#(and (<= 16 (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))), 179968#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.offset|)) main_~head~0.base) main_~head~0.offset)) (<= 16 (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~malloc15.base|)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base |main_#t~malloc15.base|))), 179969#(and (not (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (<= 16 (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))), 179974#(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 8) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (<= 16 (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 8) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)))), 179975#(and (<= 16 (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))), 179972#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 179973#(and (<= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base 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 0)) main_~head~0.base) main_~head~0.offset))), 179978#(and (<= 16 (select |#length| main_~x~0.base)) (= 0 main_~x~0.offset)), 179976#(and (<= 16 (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))), 179977#(and (= 0 |main_#t~mem40.offset|) (<= 16 (select |#length| |main_#t~mem40.base|))), 179947#true, 179950#(and (= main_~x~0.offset main_~head~0.offset) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 179951#(and (= main_~x~0.offset main_~head~0.offset) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= main_~x~0.base main_~head~0.base) (= 16 (select |#length| |main_#t~malloc15.base|)) (= 0 |main_#t~malloc15.offset|)), 179948#false, 179949#(= (select |#valid| main_~head~0.base) 1), 179954#(and (= |main_#t~mem19.base| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (select |#length| |main_#t~mem19.base|)) (= (select |#valid| main_~head~0.base) 1) (not (= main_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 179955#(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 0)) main_~head~0.base) main_~head~0.offset)) (= 16 (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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 179952#(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)) (= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset))) (= main_~x~0.base main_~head~0.base) (= (select |#valid| main_~x~0.base) 1)), 179953#(and (= |main_#t~mem17.base| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= 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) (= 16 (select |#length| |main_#t~mem17.base|)) (= (select |#valid| main_~x~0.base) 1)), 179958#(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))) (= (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) (= (select |#length| main_~x~0.base) 16)), 179959#(and (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem17.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.offset)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~mem17.base|)) (= main_~x~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~head~0.base) 1) (= (select |#valid| main_~x~0.base) 1) (not (= main_~head~0.base (select (select (store |#memory_$Pointer$.base| |main_#t~mem17.base| (store (select |#memory_$Pointer$.base| |main_#t~mem17.base|) (+ |main_#t~mem17.offset| 4) main_~x~0.base)) main_~x~0.base) main_~x~0.offset))) (= (select |#length| main_~x~0.base) 16)), 179956#(and (= main_~x~0.base (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) (= 16 (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)), 179957#(and (not (= main_~head~0.base |main_#t~malloc15.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~malloc15.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~malloc15.base|)) main_~head~0.base) main_~head~0.offset)) (not (= main_~x~0.base |main_#t~malloc15.base|)) (= (select |#valid| main_~head~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 179962#(and (<= 16 (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 0)) main_~head~0.base) main_~head~0.offset))) (= (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 0)) 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 (store |#memory_$Pointer$.offset| main_~x~0.base (store (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset 0)) main_~head~0.base) main_~head~0.offset))), 179963#(and (<= 16 (select |#length| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset))) (= (select |#valid| (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset)) 1) (= (select |#valid| main_~head~0.base) 1) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1)), 179960#(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))) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select |#valid| main_~x~0.base) 1) (= (select |#length| main_~x~0.base) 16)), 179961#(and (<= 16 (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_~head~0.base |main_#t~mem19.base|)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 179966#(and (not (= (select |#valid| main_~head~0.base) 0)) (= 0 (select (select (store |#memory_$Pointer$.offset| |main_#t~mem25.base| (store (select |#memory_$Pointer$.offset| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset)) (<= 16 (select |#length| (select (select (store |#memory_$Pointer$.base| |main_#t~mem25.base| (store (select |#memory_$Pointer$.base| |main_#t~mem25.base|) |main_#t~mem25.offset| 0)) main_~head~0.base) main_~head~0.offset))) (not (= main_~x~0.base main_~head~0.base)) (not (= (select |#valid| main_~x~0.base) 0))), 179967#(and (<= 16 (select |#length| (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)) (not (= (select |#valid| main_~x~0.base) 0)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset))), 179964#(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 8) |main_#t~malloc23.offset|)) main_~head~0.base) main_~head~0.offset)) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~head~0.base |main_#t~malloc23.base|)) (not (= main_~x~0.base main_~head~0.base)) (<= 16 (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 8) |main_#t~malloc23.base|)) main_~head~0.base) main_~head~0.offset)))), 179965#(and (= 1 (select |#valid| main_~x~0.base)) (<= 16 (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 8)))) (not (= (select |#valid| main_~head~0.base) 0)) (not (= main_~x~0.base main_~head~0.base)) (= 0 (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)))] [2018-02-04 03:35:16,618 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 03:35:16,618 INFO L409 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-02-04 03:35:16,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-02-04 03:35:16,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=856, Unknown=0, NotChecked=0, Total=992 [2018-02-04 03:35:16,618 INFO L87 Difference]: Start difference. First operand 1277 states and 1460 transitions. Second operand 32 states. Received shutdown request... [2018-02-04 03:35:17,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-02-04 03:35:17,145 WARN L491 AbstractCegarLoop]: Verification canceled [2018-02-04 03:35:17,149 WARN L185 ceAbstractionStarter]: Timeout [2018-02-04 03:35:17,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:35:17 BoogieIcfgContainer [2018-02-04 03:35:17,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:35:17,150 INFO L168 Benchmark]: Toolchain (without parser) took 176429.53 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 889.2 MB). Free memory was 358.0 MB in the beginning and 475.9 MB in the end (delta: -117.9 MB). Peak memory consumption was 771.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:35:17,151 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 401.1 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:35:17,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.29 ms. Allocated memory is still 401.1 MB. Free memory was 358.0 MB in the beginning and 346.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-04 03:35:17,152 INFO L168 Benchmark]: Boogie Preprocessor took 32.07 ms. Allocated memory is still 401.1 MB. Free memory was 346.1 MB in the beginning and 343.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:35:17,152 INFO L168 Benchmark]: RCFGBuilder took 407.12 ms. Allocated memory is still 401.1 MB. Free memory was 343.4 MB in the beginning and 302.9 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:35:17,152 INFO L168 Benchmark]: TraceAbstraction took 175819.44 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 889.2 MB). Free memory was 302.9 MB in the beginning and 475.9 MB in the end (delta: -173.0 MB). Peak memory consumption was 716.2 MB. Max. memory is 5.3 GB. [2018-02-04 03:35:17,154 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 401.1 MB. Free memory is still 364.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.29 ms. Allocated memory is still 401.1 MB. Free memory was 358.0 MB in the beginning and 346.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.07 ms. Allocated memory is still 401.1 MB. Free memory was 346.1 MB in the beginning and 343.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 407.12 ms. Allocated memory is still 401.1 MB. Free memory was 343.4 MB in the beginning and 302.9 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 175819.44 ms. Allocated memory was 401.1 MB in the beginning and 1.3 GB in the end (delta: 889.2 MB). Free memory was 302.9 MB in the beginning and 475.9 MB in the end (delta: -173.0 MB). Peak memory consumption was 716.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1010). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 983]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 983). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1007). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 999). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1009). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 988). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 987). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 1008). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that free always succeeds (line 1010). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 998). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 989). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that pointer dereference always succeeds (line 992). Cancelled while BasicCegarLoop was constructing difference of abstraction (1277states) and interpolant automaton (currently 17 states, 32 states before enhancement), while PredicateComparison was comparing new predicate (quantifier-free) to 43 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 154 locations, 69 error locations. TIMEOUT Result, 175.7s OverallTime, 113 OverallIterations, 4 TraceHistogramMax, 128.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10336 SDtfs, 69519 SDslu, 92377 SDs, 0 SdLazy, 119260 SolverSat, 14285 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 52.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4932 GetRequests, 223 SyntacticMatches, 255 SemanticMatches, 4453 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61229 ImplicationChecksByTransitivity, 100.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1532occurred in iteration=106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 137/2110 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 112 MinimizatonAttempts, 19172 StatesRemovedByMinimization, 110 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 43.9s InterpolantComputationTime, 7334 NumberOfCodeBlocks, 7334 NumberOfCodeBlocksAsserted, 113 NumberOfCheckSat, 7221 ConstructedInterpolants, 0 QuantifiedInterpolants, 11234781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 113 InterpolantComputations, 23 PerfectInterpolantSequences, 137/2110 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-35-17-161.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/dll-optional_true-unreach-call_true-valid-memsafety.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-35-17-161.csv Completed graceful shutdown