java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:26:49,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:26:49,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:26:49,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:26:49,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:26:49,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:26:49,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:26:49,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:26:49,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:26:49,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:26:49,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:26:49,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:26:49,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:26:49,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:26:49,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:26:49,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:26:49,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:26:49,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:26:49,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:26:49,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:26:49,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:26:49,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:26:49,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:26:49,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:26:49,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:26:49,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:26:49,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:26:49,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:26:49,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-20 13:26:49,371 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:26:49,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:26:49,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:26:49,372 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:26:49,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:26:49,373 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:26:49,373 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:26:49,373 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:26:49,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:26:49,373 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:26:49,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:26:49,374 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:26:49,375 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:26:49,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:26:49,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:26:49,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:26:49,376 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:26:49,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:26:49,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:26:49,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:26:49,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:26:49,377 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:26:49,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:26:49,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:26:49,378 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:26:49,422 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:26:49,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:26:49,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:26:49,439 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:26:49,440 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:26:49,441 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-20 13:26:49,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0df762fb/86cade97b1c245929abf039b3411a222/FLAG03baf31c4 [2019-09-20 13:26:50,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:26:50,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-09-20 13:26:50,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0df762fb/86cade97b1c245929abf039b3411a222/FLAG03baf31c4 [2019-09-20 13:26:50,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0df762fb/86cade97b1c245929abf039b3411a222 [2019-09-20 13:26:50,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:26:50,472 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:26:50,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:26:50,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:26:50,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:26:50,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:50" (1/1) ... [2019-09-20 13:26:50,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@80b0536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:50, skipping insertion in model container [2019-09-20 13:26:50,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:26:50" (1/1) ... [2019-09-20 13:26:50,498 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:26:50,544 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:26:50,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:26:50,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:26:50,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:26:51,030 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:26:51,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51 WrapperNode [2019-09-20 13:26:51,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:26:51,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:26:51,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:26:51,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:26:51,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... [2019-09-20 13:26:51,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:26:51,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:26:51,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:26:51,119 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:26:51,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (1/1) ... No working directory specified, using /storage/repos/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 [2019-09-20 13:26:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:26:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:26:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:26:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:26:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:26:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:26:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:26:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:26:51,685 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:26:51,686 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:26:51,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:51 BoogieIcfgContainer [2019-09-20 13:26:51,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:26:51,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:26:51,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:26:51,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:26:51,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:26:50" (1/3) ... [2019-09-20 13:26:51,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a268e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:26:51, skipping insertion in model container [2019-09-20 13:26:51,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:26:51" (2/3) ... [2019-09-20 13:26:51,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a268e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:26:51, skipping insertion in model container [2019-09-20 13:26:51,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:26:51" (3/3) ... [2019-09-20 13:26:51,696 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2019-09-20 13:26:51,705 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:26:51,713 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:26:51,728 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:26:51,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:26:51,755 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:26:51,755 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:26:51,755 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:26:51,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:26:51,756 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:26:51,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:26:51,756 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:26:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-09-20 13:26:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:26:51,780 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:26:51,781 INFO L407 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] [2019-09-20 13:26:51,784 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:26:51,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:26:51,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1694527455, now seen corresponding path program 1 times [2019-09-20 13:26:51,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:26:51,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:51,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:26:51,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:51,847 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:26:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:26:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:26:52,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:26:52,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:26:52,009 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:26:52,014 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:26:52,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:26:52,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,033 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-09-20 13:26:52,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:26:52,108 INFO L93 Difference]: Finished difference Result 104 states and 184 transitions. [2019-09-20 13:26:52,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:26:52,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:26:52,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:26:52,129 INFO L225 Difference]: With dead ends: 104 [2019-09-20 13:26:52,129 INFO L226 Difference]: Without dead ends: 96 [2019-09-20 13:26:52,133 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-09-20 13:26:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2019-09-20 13:26:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-09-20 13:26:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 174 transitions. [2019-09-20 13:26:52,182 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 174 transitions. Word has length 24 [2019-09-20 13:26:52,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:26:52,183 INFO L475 AbstractCegarLoop]: Abstraction has 94 states and 174 transitions. [2019-09-20 13:26:52,183 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:26:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2019-09-20 13:26:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:26:52,184 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:26:52,185 INFO L407 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] [2019-09-20 13:26:52,185 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:26:52,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:26:52,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1694520263, now seen corresponding path program 1 times [2019-09-20 13:26:52,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:26:52,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:26:52,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,189 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:26:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:26:52,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:26:52,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:26:52,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:26:52,270 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:26:52,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:26:52,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:26:52,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,273 INFO L87 Difference]: Start difference. First operand 94 states and 174 transitions. Second operand 3 states. [2019-09-20 13:26:52,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:26:52,294 INFO L93 Difference]: Finished difference Result 95 states and 175 transitions. [2019-09-20 13:26:52,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:26:52,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:26:52,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:26:52,297 INFO L225 Difference]: With dead ends: 95 [2019-09-20 13:26:52,297 INFO L226 Difference]: Without dead ends: 95 [2019-09-20 13:26:52,298 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-09-20 13:26:52,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-09-20 13:26:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-09-20 13:26:52,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 175 transitions. [2019-09-20 13:26:52,319 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 175 transitions. Word has length 24 [2019-09-20 13:26:52,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:26:52,320 INFO L475 AbstractCegarLoop]: Abstraction has 95 states and 175 transitions. [2019-09-20 13:26:52,320 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:26:52,320 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2019-09-20 13:26:52,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:26:52,322 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:26:52,322 INFO L407 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] [2019-09-20 13:26:52,322 INFO L418 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:26:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:26:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash 106179553, now seen corresponding path program 1 times [2019-09-20 13:26:52,323 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:26:52,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:26:52,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,325 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:26:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:26:52,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:26:52,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:26:52,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:26:52,404 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:26:52,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:26:52,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:26:52,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,406 INFO L87 Difference]: Start difference. First operand 95 states and 175 transitions. Second operand 3 states. [2019-09-20 13:26:52,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:26:52,435 INFO L93 Difference]: Finished difference Result 132 states and 238 transitions. [2019-09-20 13:26:52,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:26:52,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:26:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:26:52,438 INFO L225 Difference]: With dead ends: 132 [2019-09-20 13:26:52,438 INFO L226 Difference]: Without dead ends: 132 [2019-09-20 13:26:52,438 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-09-20 13:26:52,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2019-09-20 13:26:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-09-20 13:26:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 237 transitions. [2019-09-20 13:26:52,463 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 237 transitions. Word has length 24 [2019-09-20 13:26:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:26:52,464 INFO L475 AbstractCegarLoop]: Abstraction has 130 states and 237 transitions. [2019-09-20 13:26:52,464 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:26:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2019-09-20 13:26:52,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:26:52,469 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:26:52,470 INFO L407 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] [2019-09-20 13:26:52,470 INFO L418 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:26:52,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:26:52,470 INFO L82 PathProgramCache]: Analyzing trace with hash 106172361, now seen corresponding path program 1 times [2019-09-20 13:26:52,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:26:52,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:26:52,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,472 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:26:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:26:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:26:52,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:26:52,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:26:52,556 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:26:52,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:26:52,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:26:52,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,557 INFO L87 Difference]: Start difference. First operand 130 states and 237 transitions. Second operand 3 states. [2019-09-20 13:26:52,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:26:52,575 INFO L93 Difference]: Finished difference Result 130 states and 231 transitions. [2019-09-20 13:26:52,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:26:52,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-09-20 13:26:52,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:26:52,578 INFO L225 Difference]: With dead ends: 130 [2019-09-20 13:26:52,578 INFO L226 Difference]: Without dead ends: 130 [2019-09-20 13:26:52,579 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:26:52,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-09-20 13:26:52,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-09-20 13:26:52,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-09-20 13:26:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 230 transitions. [2019-09-20 13:26:52,595 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 230 transitions. Word has length 24 [2019-09-20 13:26:52,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:26:52,595 INFO L475 AbstractCegarLoop]: Abstraction has 128 states and 230 transitions. [2019-09-20 13:26:52,595 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:26:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2019-09-20 13:26:52,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-09-20 13:26:52,597 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:26:52,597 INFO L407 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] [2019-09-20 13:26:52,599 INFO L418 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:26:52,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:26:52,600 INFO L82 PathProgramCache]: Analyzing trace with hash -914888801, now seen corresponding path program 1 times [2019-09-20 13:26:52,600 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:26:52,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:26:52,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:26:52,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:26:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:26:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-20 13:26:52,734 INFO L474 BasicCegarLoop]: Counterexample might be feasible [2019-09-20 13:26:52,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:26:52 BoogieIcfgContainer [2019-09-20 13:26:52,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:26:52,798 INFO L168 Benchmark]: Toolchain (without parser) took 2325.03 ms. Allocated memory was 139.5 MB in the beginning and 196.6 MB in the end (delta: 57.1 MB). Free memory was 87.1 MB in the beginning and 90.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 54.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,799 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.53 ms. Allocated memory was 139.5 MB in the beginning and 196.6 MB in the end (delta: 57.1 MB). Free memory was 86.7 MB in the beginning and 173.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,801 INFO L168 Benchmark]: Boogie Preprocessor took 82.97 ms. Allocated memory is still 196.6 MB. Free memory was 173.6 MB in the beginning and 170.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,802 INFO L168 Benchmark]: RCFGBuilder took 570.40 ms. Allocated memory is still 196.6 MB. Free memory was 170.9 MB in the beginning and 148.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,803 INFO L168 Benchmark]: TraceAbstraction took 1106.88 ms. Allocated memory is still 196.6 MB. Free memory was 148.1 MB in the beginning and 90.0 MB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:26:52,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 559.53 ms. Allocated memory was 139.5 MB in the beginning and 196.6 MB in the end (delta: 57.1 MB). Free memory was 86.7 MB in the beginning and 173.6 MB in the end (delta: -86.9 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 82.97 ms. Allocated memory is still 196.6 MB. Free memory was 173.6 MB in the beginning and 170.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 570.40 ms. Allocated memory is still 196.6 MB. Free memory was 170.9 MB in the beginning and 148.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1106.88 ms. Allocated memory is still 196.6 MB. Free memory was 148.1 MB in the beginning and 90.0 MB in the end (delta: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 217]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] int p1 = __VERIFIER_nondet_int(); [L7] int lk1; [L9] int p2 = __VERIFIER_nondet_int(); [L10] int lk2; [L12] int p3 = __VERIFIER_nondet_int(); [L13] int lk3; [L15] int p4 = __VERIFIER_nondet_int(); [L16] int lk4; [L18] int p5 = __VERIFIER_nondet_int(); [L19] int lk5; [L21] int p6 = __VERIFIER_nondet_int(); [L22] int lk6; [L24] int p7 = __VERIFIER_nondet_int(); [L25] int lk7; [L27] int p8 = __VERIFIER_nondet_int(); [L28] int lk8; [L30] int p9 = __VERIFIER_nondet_int(); [L31] int lk9; [L33] int p10 = __VERIFIER_nondet_int(); [L34] int lk10; [L36] int p11 = __VERIFIER_nondet_int(); [L37] int lk11; [L39] int p12 = __VERIFIER_nondet_int(); [L40] int lk12; [L42] int p13 = __VERIFIER_nondet_int(); [L43] int lk13; [L45] int p14 = __VERIFIER_nondet_int(); [L46] int lk14; [L49] int cond; VAL [p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L51] COND TRUE 1 [L52] cond = __VERIFIER_nondet_int() [L53] COND FALSE !(cond == 0) [L56] lk1 = 0 [L58] lk2 = 0 [L60] lk3 = 0 [L62] lk4 = 0 [L64] lk5 = 0 [L66] lk6 = 0 [L68] lk7 = 0 [L70] lk8 = 0 [L72] lk9 = 0 [L74] lk10 = 0 [L76] lk11 = 0 [L78] lk12 = 0 [L80] lk13 = 0 [L82] lk14 = 0 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L86] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L90] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=0, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L94] COND TRUE p3 != 0 [L95] lk3 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=0, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L98] COND TRUE p4 != 0 [L99] lk4 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=0, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L102] COND TRUE p5 != 0 [L103] lk5 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=0, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L106] COND TRUE p6 != 0 [L107] lk6 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=0, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L110] COND TRUE p7 != 0 [L111] lk7 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L114] COND FALSE !(p8 != 0) VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=0, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L118] COND TRUE p9 != 0 [L119] lk9 = 1 VAL [cond=3, lk1=0, lk10=0, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L122] COND TRUE p10 != 0 [L123] lk10 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=0, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L126] COND TRUE p11 != 0 [L127] lk11 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=0, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L130] COND TRUE p12 != 0 [L131] lk12 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=0, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L134] COND TRUE p13 != 0 [L135] lk13 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=0, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L138] COND TRUE p14 != 0 [L139] lk14 = 1 VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L144] COND FALSE !(p1 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L149] COND FALSE !(p2 != 0) VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] [L217] __VERIFIER_error() VAL [cond=3, lk1=0, lk10=1, lk11=1, lk12=1, lk13=1, lk14=1, lk2=0, lk3=1, lk4=1, lk5=1, lk6=1, lk7=1, lk8=0, lk9=1, p1=0, p10=1, p11=1, p12=3, p13=1, p14=1, p2=0, p3=1, p4=1, p5=1, p6=1, p7=1, p8=0, p9=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 56 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458 SDtfs, 227 SDslu, 301 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 5382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...