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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_14-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:13:46,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:13:46,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:13:46,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:13:46,354 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:13:46,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:13:46,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:13:46,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:13:46,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:13:46,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:13:46,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:13:46,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:13:46,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:13:46,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:13:46,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:13:46,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:13:46,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:13:46,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:13:46,370 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:13:46,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:13:46,374 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:13:46,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:13:46,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:13:46,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:13:46,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-14 23:13:46,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:13:46,383 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:13:46,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:13:46,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:13:46,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:13:46,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:13:46,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:13:46,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:13:46,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:13:46,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:13:46,389 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:13:46,390 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:13:46,404 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:13:46,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:13:46,406 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:13:46,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:13:46,406 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:13:46,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:13:46,407 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:13:46,407 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:13:46,407 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:13:46,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:13:46,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:13:46,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:13:46,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:13:46,408 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:13:46,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:13:46,408 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:13:46,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:13:46,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:13:46,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:13:46,409 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:13:46,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:13:46,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:13:46,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:13:46,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:13:46,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:13:46,411 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:13:46,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:13:46,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:13:46,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:13:46,686 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:13:46,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:13:46,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:13:46,705 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:13:46,705 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:13:46,706 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_14-2.c [2019-10-14 23:13:46,788 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf60c382/212b0efd53454e16aa7595e399b7e812/FLAG7b9af540f [2019-10-14 23:13:47,242 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:13:47,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_14-2.c [2019-10-14 23:13:47,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf60c382/212b0efd53454e16aa7595e399b7e812/FLAG7b9af540f [2019-10-14 23:13:47,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf60c382/212b0efd53454e16aa7595e399b7e812 [2019-10-14 23:13:47,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:13:47,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:13:47,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:13:47,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:13:47,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:13:47,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:13:47" (1/1) ... [2019-10-14 23:13:47,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ed2c1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:47, skipping insertion in model container [2019-10-14 23:13:47,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:13:47" (1/1) ... [2019-10-14 23:13:47,658 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:13:47,699 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:13:47,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:13:47,936 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:13:47,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:13:48,062 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:13:48,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48 WrapperNode [2019-10-14 23:13:48,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:13:48,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:13:48,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:13:48,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:13:48,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,087 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (1/1) ... [2019-10-14 23:13:48,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:13:48,127 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:13:48,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:13:48,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:13:48,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (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 [2019-10-14 23:13:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:13:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:13:48,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:13:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:13:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:13:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:13:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:13:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:13:48,590 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:13:48,590 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 23:13:48,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:13:48 BoogieIcfgContainer [2019-10-14 23:13:48,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:13:48,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:13:48,593 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:13:48,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:13:48,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:13:47" (1/3) ... [2019-10-14 23:13:48,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0a997a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:13:48, skipping insertion in model container [2019-10-14 23:13:48,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:13:48" (2/3) ... [2019-10-14 23:13:48,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b0a997a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:13:48, skipping insertion in model container [2019-10-14 23:13:48,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:13:48" (3/3) ... [2019-10-14 23:13:48,600 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_14-2.c [2019-10-14 23:13:48,610 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:13:48,618 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:13:48,630 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:13:48,656 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:13:48,656 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:13:48,656 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:13:48,656 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:13:48,656 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:13:48,657 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:13:48,657 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:13:48,657 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:13:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-10-14 23:13:48,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-14 23:13:48,680 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:13:48,681 INFO L380 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] [2019-10-14 23:13:48,683 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:13:48,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:13:48,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1694527455, now seen corresponding path program 1 times [2019-10-14 23:13:48,697 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:13:48,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733007183] [2019-10-14 23:13:48,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:48,698 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:48,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:13:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:13:48,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733007183] [2019-10-14 23:13:48,930 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:13:48,930 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:13:48,931 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166822992] [2019-10-14 23:13:48,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:13:48,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:13:48,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:13:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:48,949 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-10-14 23:13:49,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:13:49,059 INFO L93 Difference]: Finished difference Result 155 states and 287 transitions. [2019-10-14 23:13:49,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:13:49,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-14 23:13:49,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:13:49,083 INFO L225 Difference]: With dead ends: 155 [2019-10-14 23:13:49,083 INFO L226 Difference]: Without dead ends: 96 [2019-10-14 23:13:49,091 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-10-14 23:13:49,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2019-10-14 23:13:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2019-10-14 23:13:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 174 transitions. [2019-10-14 23:13:49,179 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 174 transitions. Word has length 24 [2019-10-14 23:13:49,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:13:49,180 INFO L462 AbstractCegarLoop]: Abstraction has 94 states and 174 transitions. [2019-10-14 23:13:49,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:13:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 174 transitions. [2019-10-14 23:13:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-14 23:13:49,184 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:13:49,185 INFO L380 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] [2019-10-14 23:13:49,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:13:49,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:13:49,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1694520263, now seen corresponding path program 1 times [2019-10-14 23:13:49,187 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:13:49,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287392836] [2019-10-14 23:13:49,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,188 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:13:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:13:49,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287392836] [2019-10-14 23:13:49,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:13:49,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:13:49,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225669939] [2019-10-14 23:13:49,316 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:13:49,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:13:49,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:13:49,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,318 INFO L87 Difference]: Start difference. First operand 94 states and 174 transitions. Second operand 3 states. [2019-10-14 23:13:49,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:13:49,357 INFO L93 Difference]: Finished difference Result 97 states and 177 transitions. [2019-10-14 23:13:49,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:13:49,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-14 23:13:49,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:13:49,363 INFO L225 Difference]: With dead ends: 97 [2019-10-14 23:13:49,364 INFO L226 Difference]: Without dead ends: 95 [2019-10-14 23:13:49,365 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2019-10-14 23:13:49,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-10-14 23:13:49,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-10-14 23:13:49,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 175 transitions. [2019-10-14 23:13:49,377 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 175 transitions. Word has length 24 [2019-10-14 23:13:49,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:13:49,377 INFO L462 AbstractCegarLoop]: Abstraction has 95 states and 175 transitions. [2019-10-14 23:13:49,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:13:49,378 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 175 transitions. [2019-10-14 23:13:49,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-14 23:13:49,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:13:49,379 INFO L380 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] [2019-10-14 23:13:49,379 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:13:49,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:13:49,380 INFO L82 PathProgramCache]: Analyzing trace with hash 106179553, now seen corresponding path program 1 times [2019-10-14 23:13:49,380 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:13:49,380 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724016819] [2019-10-14 23:13:49,381 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,381 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:13:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:13:49,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724016819] [2019-10-14 23:13:49,469 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:13:49,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:13:49,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542925798] [2019-10-14 23:13:49,470 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:13:49,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:13:49,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:13:49,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,471 INFO L87 Difference]: Start difference. First operand 95 states and 175 transitions. Second operand 3 states. [2019-10-14 23:13:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:13:49,497 INFO L93 Difference]: Finished difference Result 222 states and 412 transitions. [2019-10-14 23:13:49,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:13:49,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-14 23:13:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:13:49,500 INFO L225 Difference]: With dead ends: 222 [2019-10-14 23:13:49,500 INFO L226 Difference]: Without dead ends: 132 [2019-10-14 23:13:49,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2019-10-14 23:13:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2019-10-14 23:13:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-14 23:13:49,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 237 transitions. [2019-10-14 23:13:49,516 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 237 transitions. Word has length 24 [2019-10-14 23:13:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:13:49,517 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 237 transitions. [2019-10-14 23:13:49,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:13:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 237 transitions. [2019-10-14 23:13:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-14 23:13:49,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:13:49,518 INFO L380 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] [2019-10-14 23:13:49,519 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:13:49,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:13:49,519 INFO L82 PathProgramCache]: Analyzing trace with hash 106172361, now seen corresponding path program 1 times [2019-10-14 23:13:49,519 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:13:49,520 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842203937] [2019-10-14 23:13:49,520 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,520 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:13:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:13:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:13:49,596 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842203937] [2019-10-14 23:13:49,597 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:13:49,597 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-14 23:13:49,597 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909323184] [2019-10-14 23:13:49,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-14 23:13:49,598 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:13:49,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-14 23:13:49,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,599 INFO L87 Difference]: Start difference. First operand 130 states and 237 transitions. Second operand 3 states. [2019-10-14 23:13:49,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:13:49,626 INFO L93 Difference]: Finished difference Result 179 states and 322 transitions. [2019-10-14 23:13:49,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-14 23:13:49,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-14 23:13:49,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:13:49,629 INFO L225 Difference]: With dead ends: 179 [2019-10-14 23:13:49,629 INFO L226 Difference]: Without dead ends: 130 [2019-10-14 23:13:49,630 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-14 23:13:49,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-14 23:13:49,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 128. [2019-10-14 23:13:49,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-14 23:13:49,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 230 transitions. [2019-10-14 23:13:49,647 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 230 transitions. Word has length 24 [2019-10-14 23:13:49,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:13:49,648 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 230 transitions. [2019-10-14 23:13:49,648 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-14 23:13:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 230 transitions. [2019-10-14 23:13:49,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-14 23:13:49,649 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:13:49,650 INFO L380 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] [2019-10-14 23:13:49,650 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:13:49,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:13:49,651 INFO L82 PathProgramCache]: Analyzing trace with hash -914888801, now seen corresponding path program 1 times [2019-10-14 23:13:49,651 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:13:49,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492853425] [2019-10-14 23:13:49,653 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,653 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:13:49,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:13:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-14 23:13:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-14 23:13:49,760 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-14 23:13:49,761 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-14 23:13:49,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:13:49 BoogieIcfgContainer [2019-10-14 23:13:49,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-14 23:13:49,827 INFO L168 Benchmark]: Toolchain (without parser) took 2187.62 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 96.4 MB in the end (delta: 6.3 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,829 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.90 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 181.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,831 INFO L168 Benchmark]: Boogie Preprocessor took 58.43 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 179.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,832 INFO L168 Benchmark]: RCFGBuilder took 465.01 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 156.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,833 INFO L168 Benchmark]: TraceAbstraction took 1231.64 ms. Allocated memory is still 202.4 MB. Free memory was 156.0 MB in the beginning and 96.4 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-10-14 23:13:49,837 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 423.90 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.5 MB in the beginning and 181.6 MB in the end (delta: -79.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.43 ms. Allocated memory is still 202.4 MB. Free memory was 181.6 MB in the beginning and 179.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.01 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 156.0 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1231.64 ms. Allocated memory is still 202.4 MB. Free memory was 156.0 MB in the beginning and 96.4 MB in the end (delta: 59.6 MB). Peak memory consumption was 59.6 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. Result: UNSAFE, OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 458 SDtfs, 227 SDslu, 301 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 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 DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 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, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...