/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:42:12,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:42:12,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:42:12,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:42:12,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:42:12,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:42:12,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:42:12,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:42:12,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:42:12,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:42:12,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:42:12,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:42:12,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:42:12,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:42:12,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:42:12,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:42:12,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:42:12,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:42:12,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:42:12,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:42:12,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:42:12,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:42:12,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:42:12,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:42:12,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:42:12,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:42:12,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:42:12,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:42:12,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:42:12,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:42:12,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:42:12,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:42:12,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:42:12,199 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:42:12,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:42:12,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:42:12,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:42:12,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:42:12,203 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:42:12,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:42:12,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:42:12,207 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 [2020-09-25 00:42:12,264 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:42:12,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:42:12,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:42:12,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:42:12,269 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:42:12,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:42:12,270 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:42:12,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:42:12,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:42:12,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:42:12,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:42:12,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:42:12,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:42:12,274 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:42:12,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:42:12,275 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:42:12,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:42:12,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:42:12,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:42:12,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:42:12,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:42:12,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:42:12,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:42:12,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:42:12,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:42:12,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:42:12,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:42:12,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:42:12,278 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:42:12,279 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;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;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;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;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;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;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;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;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;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-09-25 00:42:12,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:42:12,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:42:12,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:42:12,799 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:42:12,801 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:42:12,802 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2020-09-25 00:42:12,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/313b536df/396041d3995144c582ed969d067f0997/FLAG06ad7436e [2020-09-25 00:42:13,503 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:42:13,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product14.cil.c [2020-09-25 00:42:13,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/313b536df/396041d3995144c582ed969d067f0997/FLAG06ad7436e [2020-09-25 00:42:13,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/313b536df/396041d3995144c582ed969d067f0997 [2020-09-25 00:42:13,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:42:13,810 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:42:13,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:42:13,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:42:13,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:42:13,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:42:13" (1/1) ... [2020-09-25 00:42:13,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc9c326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:13, skipping insertion in model container [2020-09-25 00:42:13,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:42:13" (1/1) ... [2020-09-25 00:42:13,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:42:13,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:42:14,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:42:14,464 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:42:14,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:42:14,596 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:42:14,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14 WrapperNode [2020-09-25 00:42:14,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:42:14,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:42:14,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:42:14,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:42:14,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (1/1) ... [2020-09-25 00:42:14,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:42:14,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:42:14,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:42:14,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:42:14,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (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 [2020-09-25 00:42:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:42:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:42:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 00:42:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 00:42:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 00:42:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 00:42:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 00:42:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 00:42:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 00:42:14,777 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 00:42:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 00:42:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 00:42:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 00:42:14,778 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 00:42:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 00:42:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 00:42:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 00:42:14,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 00:42:14,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 00:42:14,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 00:42:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 00:42:14,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 00:42:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:42:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:42:14,782 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 00:42:14,783 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 00:42:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 00:42:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-25 00:42:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 00:42:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 00:42:14,784 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 00:42:14,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 00:42:14,786 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 00:42:14,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 00:42:14,788 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 00:42:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 00:42:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 00:42:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 00:42:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 00:42:14,789 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 00:42:14,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:42:15,917 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:42:15,917 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 00:42:15,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:42:15 BoogieIcfgContainer [2020-09-25 00:42:15,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:42:15,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:42:15,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:42:15,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:42:15,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:42:13" (1/3) ... [2020-09-25 00:42:15,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b35d14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:42:15, skipping insertion in model container [2020-09-25 00:42:15,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:42:14" (2/3) ... [2020-09-25 00:42:15,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b35d14d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:42:15, skipping insertion in model container [2020-09-25 00:42:15,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:42:15" (3/3) ... [2020-09-25 00:42:15,934 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14.cil.c [2020-09-25 00:42:15,946 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:42:15,957 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:42:15,979 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:42:16,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:42:16,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:42:16,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:42:16,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:42:16,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:42:16,013 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:42:16,013 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:42:16,014 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:42:16,040 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2020-09-25 00:42:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-25 00:42:16,058 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:16,060 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:16,060 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:16,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:16,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1270586299, now seen corresponding path program 1 times [2020-09-25 00:42:16,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:16,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684460770] [2020-09-25 00:42:16,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:16,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:16,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:18,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:21,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:21,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 186 [2020-09-25 00:42:21,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:42:21,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-09-25 00:42:21,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:21,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-25 00:42:21,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:21,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:42:22,009 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:22,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-09-25 00:42:22,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:22,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:22,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:22,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:22,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:22,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:22,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:22,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:22,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:22,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:22,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:42:22,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:22,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:22,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:22,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:22,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:22,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-25 00:42:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:22,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:22,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:22,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:42:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:22,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:22,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 00:42:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:22,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:22,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:22,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:22,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:22,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:22,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:22,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:22,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:22,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:42:22,296 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684460770] [2020-09-25 00:42:22,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:22,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-25 00:42:22,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78462456] [2020-09-25 00:42:22,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-25 00:42:22,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:22,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-25 00:42:22,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:42:22,327 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 3 states. [2020-09-25 00:42:23,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:23,671 INFO L93 Difference]: Finished difference Result 422 states and 505 transitions. [2020-09-25 00:42:23,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-25 00:42:23,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-25 00:42:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:23,708 INFO L225 Difference]: With dead ends: 422 [2020-09-25 00:42:23,708 INFO L226 Difference]: Without dead ends: 268 [2020-09-25 00:42:23,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-25 00:42:23,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-09-25 00:42:23,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 228. [2020-09-25 00:42:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-09-25 00:42:23,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 246 transitions. [2020-09-25 00:42:23,850 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 246 transitions. Word has length 153 [2020-09-25 00:42:23,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:23,851 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 246 transitions. [2020-09-25 00:42:23,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-25 00:42:23,851 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 246 transitions. [2020-09-25 00:42:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-25 00:42:23,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:23,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:23,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:42:23,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:23,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:23,857 INFO L82 PathProgramCache]: Analyzing trace with hash 861129864, now seen corresponding path program 1 times [2020-09-25 00:42:23,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:23,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048315867] [2020-09-25 00:42:23,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:23,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:24,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:25,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:28,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:28,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-25 00:42:28,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 00:42:28,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-09-25 00:42:28,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-25 00:42:28,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 00:42:28,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,224 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:29,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:29,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-09-25 00:42:29,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:29,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:29,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:29,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:29,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:29,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:29,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:29,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:29,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:29,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:29,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:29,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:29,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:29,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:29,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-25 00:42:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:29,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:29,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:29,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 00:42:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:29,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:29,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:29,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-25 00:42:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:29,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:29,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:29,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:29,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:29,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:29,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:29,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:42:29,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048315867] [2020-09-25 00:42:29,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:29,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-25 00:42:29,457 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16341739] [2020-09-25 00:42:29,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-25 00:42:29,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:29,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-25 00:42:29,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-25 00:42:29,462 INFO L87 Difference]: Start difference. First operand 228 states and 246 transitions. Second operand 4 states. [2020-09-25 00:42:30,158 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 00:42:30,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:30,933 INFO L93 Difference]: Finished difference Result 335 states and 376 transitions. [2020-09-25 00:42:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-25 00:42:30,934 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-25 00:42:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:30,939 INFO L225 Difference]: With dead ends: 335 [2020-09-25 00:42:30,939 INFO L226 Difference]: Without dead ends: 251 [2020-09-25 00:42:30,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:42:30,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-09-25 00:42:30,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 218. [2020-09-25 00:42:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-25 00:42:30,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 233 transitions. [2020-09-25 00:42:30,982 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 233 transitions. Word has length 154 [2020-09-25 00:42:30,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:30,983 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 233 transitions. [2020-09-25 00:42:30,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-25 00:42:30,983 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 233 transitions. [2020-09-25 00:42:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 00:42:30,986 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:30,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:30,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:42:30,987 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:30,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:30,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1052944498, now seen corresponding path program 1 times [2020-09-25 00:42:30,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:30,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102794307] [2020-09-25 00:42:30,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:31,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:31,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 00:42:34,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 00:42:34,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3169 [2020-09-25 00:42:34,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-25 00:42:34,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 00:42:34,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:34,519 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:34,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:34,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-09-25 00:42:34,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:34,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:34,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:34,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:34,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:34,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:34,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:34,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:34,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:34,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:34,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:34,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:42:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:42:34,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:34,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:34,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:34,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 00:42:34,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 00:42:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:34,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:34,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:34,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 00:42:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:34,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:34,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:34,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-25 00:42:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:34,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:34,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:34,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:34,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:34,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:34,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:34,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:34,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:42:34,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102794307] [2020-09-25 00:42:34,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:34,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 00:42:34,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386496645] [2020-09-25 00:42:34,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 00:42:34,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:34,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 00:42:34,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 00:42:34,836 INFO L87 Difference]: Start difference. First operand 218 states and 233 transitions. Second operand 5 states. [2020-09-25 00:42:35,454 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:42:36,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:36,341 INFO L93 Difference]: Finished difference Result 381 states and 438 transitions. [2020-09-25 00:42:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 00:42:36,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-09-25 00:42:36,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:36,345 INFO L225 Difference]: With dead ends: 381 [2020-09-25 00:42:36,345 INFO L226 Difference]: Without dead ends: 273 [2020-09-25 00:42:36,347 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 00:42:36,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-09-25 00:42:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 218. [2020-09-25 00:42:36,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-25 00:42:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 232 transitions. [2020-09-25 00:42:36,389 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 232 transitions. Word has length 167 [2020-09-25 00:42:36,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:36,390 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 232 transitions. [2020-09-25 00:42:36,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 00:42:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 232 transitions. [2020-09-25 00:42:36,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-25 00:42:36,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:36,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:36,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 00:42:36,393 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:36,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash 603443649, now seen corresponding path program 1 times [2020-09-25 00:42:36,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:36,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [835292569] [2020-09-25 00:42:36,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:36,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:38,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:38,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-09-25 00:42:38,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2060 [2020-09-25 00:42:38,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:38,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 00:42:38,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 00:42:38,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 00:42:38,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:38,914 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 00:42:38,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:42:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:38,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 00:42:39,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 231 [2020-09-25 00:42:39,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 00:42:39,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 00:42:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:39,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:39,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 00:42:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:39,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:42:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 00:42:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:39,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:42:39,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:39,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:42:39,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 00:42:39,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:39,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:39,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:42:39,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-25 00:42:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 00:42:39,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-25 00:42:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 00:42:39,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:39,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 00:42:39,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 00:42:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:42:39,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:42:39,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:39,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 00:42:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:39,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:42:39,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:42:39,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:39,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 00:42:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:39,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:42:39,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 00:42:39,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:42:39,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 00:42:39,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-09-25 00:42:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:42:39,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:42:39,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:42:39,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 00:42:39,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:42:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:42:39,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-09-25 00:42:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:42:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 00:42:39,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:42:39,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:42:39,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:42:39,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [835292569] [2020-09-25 00:42:39,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:42:39,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 00:42:39,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992501986] [2020-09-25 00:42:39,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 00:42:39,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:42:39,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 00:42:39,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 00:42:39,440 INFO L87 Difference]: Start difference. First operand 218 states and 232 transitions. Second operand 11 states. [2020-09-25 00:42:39,953 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:42:41,980 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:42:42,305 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:42,761 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:43,149 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 00:42:43,460 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 00:42:43,972 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 00:42:44,269 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:42:44,607 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 00:42:45,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:42:45,498 INFO L93 Difference]: Finished difference Result 600 states and 754 transitions. [2020-09-25 00:42:45,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 00:42:45,499 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 175 [2020-09-25 00:42:45,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:42:45,504 INFO L225 Difference]: With dead ends: 600 [2020-09-25 00:42:45,505 INFO L226 Difference]: Without dead ends: 492 [2020-09-25 00:42:45,506 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2020-09-25 00:42:45,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-09-25 00:42:45,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 321. [2020-09-25 00:42:45,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2020-09-25 00:42:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 353 transitions. [2020-09-25 00:42:45,583 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 353 transitions. Word has length 175 [2020-09-25 00:42:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:42:45,584 INFO L479 AbstractCegarLoop]: Abstraction has 321 states and 353 transitions. [2020-09-25 00:42:45,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 00:42:45,584 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 353 transitions. [2020-09-25 00:42:45,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-09-25 00:42:45,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:42:45,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:42:45,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 00:42:45,588 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:42:45,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:42:45,589 INFO L82 PathProgramCache]: Analyzing trace with hash -510510222, now seen corresponding path program 1 times [2020-09-25 00:42:45,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:42:45,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875082777] [2020-09-25 00:42:45,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:42:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-25 00:42:45,662 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-25 00:42:45,663 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-25 00:42:45,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 00:42:45,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 12:42:45 BoogieIcfgContainer [2020-09-25 00:42:45,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 00:42:45,713 INFO L168 Benchmark]: Toolchain (without parser) took 31908.09 ms. Allocated memory was 138.4 MB in the beginning and 611.3 MB in the end (delta: 472.9 MB). Free memory was 99.8 MB in the beginning and 84.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 488.1 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:45,717 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 00:42:45,723 INFO L168 Benchmark]: CACSL2BoogieTranslator took 782.32 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.2 MB in the beginning and 170.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:45,729 INFO L168 Benchmark]: Boogie Preprocessor took 96.72 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:45,730 INFO L168 Benchmark]: RCFGBuilder took 1230.02 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 179.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:45,731 INFO L168 Benchmark]: TraceAbstraction took 29784.99 ms. Allocated memory was 231.7 MB in the beginning and 611.3 MB in the end (delta: 379.6 MB). Free memory was 179.2 MB in the beginning and 84.6 MB in the end (delta: 94.6 MB). Peak memory consumption was 474.2 MB. Max. memory is 7.1 GB. [2020-09-25 00:42:45,760 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 782.32 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.2 MB in the beginning and 170.8 MB in the end (delta: -71.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.72 ms. Allocated memory is still 200.8 MB. Free memory was 170.8 MB in the beginning and 166.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1230.02 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 166.7 MB in the beginning and 179.2 MB in the end (delta: -12.5 MB). Peak memory consumption was 87.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29784.99 ms. Allocated memory was 231.7 MB in the beginning and 611.3 MB in the end (delta: 379.6 MB). Free memory was 179.2 MB in the beginning and 84.6 MB in the end (delta: 94.6 MB). Peak memory consumption was 474.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L798] int retValue_acc ; [L799] int tmp ; [L803] FCALL select_helpers() [L804] FCALL select_features() [L805] CALL, EXPR valid_product() [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L805] RET, EXPR valid_product() [L805] tmp = valid_product() [L807] COND TRUE \read(tmp) [L809] FCALL setup() [L810] CALL runTest() [L792] CALL test() [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] splverifierCounter = 0 [L668] COND TRUE 1 [L670] COND TRUE splverifierCounter < 4 [L676] tmp = __VERIFIER_nondet_int() [L678] COND TRUE \read(tmp) [L680] CALL waterRise() [L839] COND TRUE waterLevel < 2 [L840] waterLevel = waterLevel + 1 [L680] RET waterRise() [L686] tmp___0 = __VERIFIER_nondet_int() [L688] COND FALSE !(\read(tmp___0)) [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND TRUE \read(tmp___2) [L700] CALL startSystem() [L284] systemActive = 1 [L700] RET startSystem() [L713] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__methaneQuery() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification3_spec__1() [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; [L97] CALL, EXPR isMethaneLevelCritical() [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] return (retValue_acc); [L97] RET, EXPR isMethaneLevelCritical() [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) [L103] CALL, EXPR getWaterLevel() [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] return (retValue_acc); [L103] RET, EXPR getWaterLevel() [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 [L107] CALL, EXPR isPumpRunning() [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] return (retValue_acc); [L107] RET, EXPR isPumpRunning() [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) [L113] CALL __automaton_fail() [L44] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 603 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 845 SDtfs, 1272 SDslu, 919 SDs, 0 SdLazy, 2006 SolverSat, 423 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=321occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 299 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 829 NumberOfCodeBlocks, 829 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 645 ConstructedInterpolants, 0 QuantifiedInterpolants, 254738 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...