/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 SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/psyco/psyco_cev_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 12:54:00,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 12:54:00,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 12:54:00,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 12:54:00,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 12:54:00,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 12:54:00,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 12:54:00,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 12:54:00,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 12:54:00,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 12:54:00,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 12:54:00,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 12:54:00,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 12:54:00,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 12:54:00,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 12:54:00,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 12:54:00,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 12:54:00,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 12:54:00,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 12:54:00,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 12:54:00,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 12:54:00,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 12:54:00,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 12:54:00,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 12:54:00,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 12:54:00,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 12:54:00,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 12:54:00,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 12:54:00,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 12:54:00,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-10-13 12:54:00,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 12:54:00,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 12:54:00,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 12:54:00,541 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 [2020-10-13 12:54:00,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 12:54:00,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 12:54:00,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 12:54:00,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 12:54:00,566 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 12:54:00,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 12:54:00,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 12:54:00,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 12:54:00,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 12:54:00,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 12:54:00,567 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 12:54:00,567 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 12:54:00,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 12:54:00,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 12:54:00,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 12:54:00,568 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 12:54:00,568 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 12:54:00,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 12:54:00,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 12:54:00,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 12:54:00,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 12:54:00,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 12:54:00,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 12:54:00,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 12:54:00,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 12:54:00,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 12:54:00,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 12:54:00,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 12:54:00,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 12:54:00,570 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 -> SequenceOfStatements 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;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 12:54:00,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 12:54:00,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 12:54:00,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 12:54:00,961 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 12:54:00,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 12:54:00,963 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_cev_2.c [2020-10-13 12:54:01,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37dae8988/f6250a8cc32544d28e8285a49c2d7359/FLAGf0f6699c3 [2020-10-13 12:54:15,277 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 12:54:15,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/psyco/psyco_cev_2.c [2020-10-13 12:54:16,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37dae8988/f6250a8cc32544d28e8285a49c2d7359/FLAGf0f6699c3 [2020-10-13 12:54:16,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/37dae8988/f6250a8cc32544d28e8285a49c2d7359 [2020-10-13 12:54:16,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 12:54:16,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 12:54:16,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 12:54:16,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 12:54:16,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 12:54:16,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:16" (1/1) ... [2020-10-13 12:54:16,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2efc87c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:54:16, skipping insertion in model container [2020-10-13 12:54:16,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:54:16" (1/1) ... [2020-10-13 12:54:16,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 12:54:27,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 12:56:50,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 12:56:50,812 INFO L203 MainTranslator]: Completed pre-run