/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:00:26,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:00:26,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:00:26,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:00:26,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:00:26,784 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:00:26,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:00:26,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:00:26,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:00:26,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:00:26,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:00:26,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:00:26,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:00:26,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:00:26,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:00:26,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:00:26,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:00:26,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:00:26,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:00:26,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:00:26,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:00:26,807 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:00:26,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:00:26,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:00:26,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:00:26,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:00:26,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:00:26,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:00:26,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:00:26,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:00:26,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:00:26,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:00:26,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:00:26,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:00:26,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:00:26,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:00:26,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:00:26,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:00:26,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:00:26,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:00:26,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:00:26,824 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:00:26,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:00:26,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:00:26,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:00:26,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:00:26,854 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:00:26,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:00:26,854 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:00:26,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:00:26,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:00:26,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:00:26,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:00:26,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:00:26,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:00:26,856 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:00:26,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:00:26,856 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:00:26,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:00:26,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:00:26,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:00:26,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:00:26,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:00:26,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:00:26,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:00:26,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:00:26,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:00:26,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:00:26,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:00:26,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:00:26,859 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:00:26,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:00:27,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:00:27,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:00:27,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:00:27,352 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:00:27,354 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:00:27,355 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_15-1.c [2020-09-24 16:00:27,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dcf8e7f6/7cf953ccf9f641a9af7ae57e9d400514/FLAG6791b6f3d [2020-09-24 16:00:27,938 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:00:27,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/locks/test_locks_15-1.c [2020-09-24 16:00:27,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dcf8e7f6/7cf953ccf9f641a9af7ae57e9d400514/FLAG6791b6f3d [2020-09-24 16:00:28,267 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1dcf8e7f6/7cf953ccf9f641a9af7ae57e9d400514 [2020-09-24 16:00:28,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:00:28,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:00:28,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:28,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:00:28,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:00:28,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245d8fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28, skipping insertion in model container [2020-09-24 16:00:28,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:00:28,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:00:28,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:28,691 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:00:28,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:00:28,753 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:00:28,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28 WrapperNode [2020-09-24 16:00:28,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:00:28,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:00:28,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:00:28,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:00:28,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... [2020-09-24 16:00:28,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:00:28,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:00:28,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:00:28,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:00:28,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 16:00:28,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:00:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:00:28,979 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:00:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:00:28,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:00:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:00:28,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:00:28,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:00:29,517 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:00:29,517 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 16:00:29,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:29 BoogieIcfgContainer [2020-09-24 16:00:29,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:00:29,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:00:29,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:00:29,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:00:29,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:00:28" (1/3) ... [2020-09-24 16:00:29,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a58d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:29, skipping insertion in model container [2020-09-24 16:00:29,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:00:28" (2/3) ... [2020-09-24 16:00:29,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d3a58d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:00:29, skipping insertion in model container [2020-09-24 16:00:29,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:00:29" (3/3) ... [2020-09-24 16:00:29,535 INFO L109 eAbstractionObserver]: Analyzing ICFG test_locks_15-1.c [2020-09-24 16:00:29,547 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:00:29,558 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:00:29,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:00:29,615 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:00:29,616 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:00:29,616 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:00:29,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:00:29,617 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:00:29,617 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:00:29,617 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:00:29,617 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:00:29,646 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2020-09-24 16:00:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-09-24 16:00:29,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:00:29,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:00:29,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:00:29,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:00:29,669 INFO L82 PathProgramCache]: Analyzing trace with hash 984329519, now seen corresponding path program 1 times [2020-09-24 16:00:29,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:00:29,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1312480521] [2020-09-24 16:00:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:00:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 16:00:29,865 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 16:00:29,866 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 16:00:29,872 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:00:29,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:00:29 BoogieIcfgContainer [2020-09-24 16:00:29,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:00:29,902 INFO L168 Benchmark]: Toolchain (without parser) took 1615.18 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 100.3 MB in the beginning and 127.9 MB in the end (delta: -27.6 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,904 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.60 ms. Allocated memory is still 136.8 MB. Free memory was 99.6 MB in the beginning and 88.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,906 INFO L168 Benchmark]: Boogie Preprocessor took 131.46 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 88.1 MB in the beginning and 176.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,907 INFO L168 Benchmark]: RCFGBuilder took 637.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 144.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,908 INFO L168 Benchmark]: TraceAbstraction took 372.41 ms. Allocated memory is still 199.2 MB. Free memory was 144.1 MB in the beginning and 127.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2020-09-24 16:00:29,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 136.8 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 463.60 ms. Allocated memory is still 136.8 MB. Free memory was 99.6 MB in the beginning and 88.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 131.46 ms. Allocated memory was 136.8 MB in the beginning and 199.2 MB in the end (delta: 62.4 MB). Free memory was 88.1 MB in the beginning and 176.3 MB in the end (delta: -88.2 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 637.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.3 MB in the beginning and 144.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 372.41 ms. Allocated memory is still 199.2 MB. Free memory was 144.1 MB in the beginning and 127.9 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 231]: 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; [L48] int p15 = __VERIFIER_nondet_int(); [L49] int lk15; [L52] int cond; [L54] COND TRUE 1 [L55] cond = __VERIFIER_nondet_int() [L56] COND FALSE !(cond == 0) [L59] lk1 = 0 [L61] lk2 = 0 [L63] lk3 = 0 [L65] lk4 = 0 [L67] lk5 = 0 [L69] lk6 = 0 [L71] lk7 = 0 [L73] lk8 = 0 [L75] lk9 = 0 [L77] lk10 = 0 [L79] lk11 = 0 [L81] lk12 = 0 [L83] lk13 = 0 [L85] lk14 = 0 [L87] lk15 = 0 [L91] COND FALSE !(p1 != 0) [L95] COND FALSE !(p2 != 0) [L99] COND FALSE !(p3 != 0) [L103] COND FALSE !(p4 != 0) [L107] COND FALSE !(p5 != 0) [L111] COND FALSE !(p6 != 0) [L115] COND FALSE !(p7 != 0) [L119] COND FALSE !(p8 != 0) [L123] COND FALSE !(p9 != 0) [L127] COND FALSE !(p10 != 0) [L131] COND FALSE !(p11 != 0) [L135] COND FALSE !(p12 != 0) [L139] COND FALSE !(p13 != 0) [L143] COND FALSE !(p14 != 0) [L147] COND FALSE !(p15 != 0) [L153] COND FALSE !(p1 != 0) [L158] COND FALSE !(p2 != 0) [L231] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 168 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...