/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=WIDEST --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_spec2_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 02:56:28,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 02:56:28,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 02:56:28,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 02:56:28,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 02:56:28,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 02:56:28,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 02:56:28,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 02:56:28,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 02:56:28,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 02:56:28,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 02:56:28,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 02:56:28,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 02:56:28,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 02:56:28,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 02:56:28,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 02:56:28,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 02:56:28,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 02:56:28,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 02:56:28,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 02:56:28,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 02:56:28,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 02:56:28,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 02:56:28,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 02:56:28,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 02:56:28,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 02:56:28,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 02:56:28,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 02:56:28,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 02:56:28,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 02:56:28,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 02:56:28,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 02:56:28,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 02:56:28,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 02:56:28,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 02:56:28,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 02:56:28,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 02:56:28,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 02:56:28,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 02:56:28,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 02:56:28,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 02:56:28,564 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 02:56:28,590 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 02:56:28,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 02:56:28,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 02:56:28,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 02:56:28,592 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 02:56:28,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 02:56:28,593 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 02:56:28,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 02:56:28,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 02:56:28,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 02:56:28,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 02:56:28,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 02:56:28,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 02:56:28,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 02:56:28,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 02:56:28,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 02:56:28,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 02:56:28,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 02:56:28,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 02:56:28,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 02:56:28,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 02:56:28,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 02:56:28,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 02:56:28,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 02:56:28,597 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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;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=WIDEST;log-additional-information=true; [2020-09-25 02:56:29,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 02:56:29,039 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 02:56:29,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 02:56:29,045 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 02:56:29,046 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 02:56:29,047 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-25 02:56:29,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e231fa7/bd8c79efcd7d45dba1571b250ce8a186/FLAGf641417cc [2020-09-25 02:56:29,801 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 02:56:29,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-09-25 02:56:29,826 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e231fa7/bd8c79efcd7d45dba1571b250ce8a186/FLAGf641417cc [2020-09-25 02:56:30,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99e231fa7/bd8c79efcd7d45dba1571b250ce8a186 [2020-09-25 02:56:30,042 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 02:56:30,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 02:56:30,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 02:56:30,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 02:56:30,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 02:56:30,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d693c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30, skipping insertion in model container [2020-09-25 02:56:30,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 02:56:30,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 02:56:30,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:56:30,641 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 02:56:30,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 02:56:30,759 INFO L208 MainTranslator]: Completed translation [2020-09-25 02:56:30,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30 WrapperNode [2020-09-25 02:56:30,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 02:56:30,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 02:56:30,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 02:56:30,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 02:56:30,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (1/1) ... [2020-09-25 02:56:30,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 02:56:30,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 02:56:30,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 02:56:30,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 02:56:30,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (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 02:56:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 02:56:30,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 02:56:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 02:56:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 02:56:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 02:56:30,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 02:56:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 02:56:30,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 02:56:30,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 02:56:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 02:56:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 02:56:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 02:56:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 02:56:30,990 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 02:56:30,991 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 02:56:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 02:56:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:56:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:56:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 02:56:30,992 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 02:56:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 02:56:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 02:56:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 02:56:30,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 02:56:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 02:56:30,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 02:56:30,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 02:56:30,996 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 02:56:30,997 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 02:56:30,998 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 02:56:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 02:56:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 02:56:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 02:56:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 02:56:30,999 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 02:56:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 02:56:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 02:56:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 02:56:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 02:56:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 02:56:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 02:56:31,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 02:56:31,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 02:56:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 02:56:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 02:56:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 02:56:31,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 02:56:31,005 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 02:56:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-25 02:56:31,006 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 02:56:31,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 02:56:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 02:56:31,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 02:56:32,180 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 02:56:32,181 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 02:56:32,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:56:32 BoogieIcfgContainer [2020-09-25 02:56:32,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 02:56:32,190 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 02:56:32,190 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 02:56:32,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 02:56:32,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:56:30" (1/3) ... [2020-09-25 02:56:32,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b48382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:56:32, skipping insertion in model container [2020-09-25 02:56:32,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:56:30" (2/3) ... [2020-09-25 02:56:32,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12b48382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:56:32, skipping insertion in model container [2020-09-25 02:56:32,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:56:32" (3/3) ... [2020-09-25 02:56:32,198 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-09-25 02:56:32,210 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 02:56:32,220 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 02:56:32,241 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 02:56:32,276 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 02:56:32,276 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 02:56:32,276 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 02:56:32,276 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 02:56:32,276 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 02:56:32,277 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 02:56:32,277 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 02:56:32,277 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 02:56:32,303 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-09-25 02:56:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 02:56:32,319 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:56:32,321 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] [2020-09-25 02:56:32,321 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:56:32,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:56:32,328 INFO L82 PathProgramCache]: Analyzing trace with hash 2110285638, now seen corresponding path program 1 times [2020-09-25 02:56:32,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:56:32,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550754247] [2020-09-25 02:56:32,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:56:32,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:32,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:33,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:35,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:36,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:37,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:37,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 02:56:37,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 02:56:37,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 02:56:37,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 02:56:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 02:56:37,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-25 02:56:37,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 02:56:38,326 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:56:38,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:56:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:56:38,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 299 [2020-09-25 02:56:38,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 02:56:38,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:38,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:56:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:38,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 02:56:38,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:38,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:56:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:56:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:38,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 02:56:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:38,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:56:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:38,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:38,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:38,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:56:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:38,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:56:38,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:56:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:38,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 02:56:38,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:56:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:38,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:38,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:38,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 02:56:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:38,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:38,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:38,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:38,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:38,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:56:38,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:56:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:56:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:38,974 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 02:56:38,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550754247] [2020-09-25 02:56:38,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:56:38,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 02:56:38,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371548296] [2020-09-25 02:56:38,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 02:56:38,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:56:39,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 02:56:39,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-25 02:56:39,013 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 9 states. [2020-09-25 02:56:39,666 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:40,783 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:41,132 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:41,474 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:41,842 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 02:56:42,172 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:56:42,929 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:43,287 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:43,823 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:44,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:56:44,621 INFO L93 Difference]: Finished difference Result 582 states and 706 transitions. [2020-09-25 02:56:44,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-25 02:56:44,623 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2020-09-25 02:56:44,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:56:44,665 INFO L225 Difference]: With dead ends: 582 [2020-09-25 02:56:44,666 INFO L226 Difference]: Without dead ends: 404 [2020-09-25 02:56:44,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-09-25 02:56:44,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2020-09-25 02:56:44,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 337. [2020-09-25 02:56:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 02:56:44,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 370 transitions. [2020-09-25 02:56:44,826 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 370 transitions. Word has length 148 [2020-09-25 02:56:44,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:56:44,827 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 370 transitions. [2020-09-25 02:56:44,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 02:56:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 370 transitions. [2020-09-25 02:56:44,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-25 02:56:44,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:56:44,833 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 02:56:44,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 02:56:44,834 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:56:44,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:56:44,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1949985502, now seen corresponding path program 1 times [2020-09-25 02:56:44,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:56:44,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2110497543] [2020-09-25 02:56:44,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:56:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:44,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:45,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:46,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:49,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:49,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-09-25 02:56:49,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 02:56:49,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 02:56:49,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 02:56:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-25 02:56:49,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 02:56:49,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:50,293 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:56:50,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:56:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:56:50,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 248 [2020-09-25 02:56:50,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-25 02:56:50,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:50,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:56:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:50,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:50,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:50,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:56:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:50,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:50,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:50,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:56:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:50,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:56:50,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:50,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:56:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:56:50,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:56:50,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 02:56:50,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:56:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:50,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:56:50,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:50,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:56:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:56:50,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:56:50,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:56:50,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 02:56:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:56:50,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:56:50,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:56:50,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 02:56:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:50,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:56:50,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:56:50,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:50,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:56:50,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-25 02:56:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:50,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:50,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:56:50,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:56:50,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:56:50,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:56:50,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:56:50,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:56:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:56:50,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:56:50,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:56:50,820 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 02:56:50,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2110497543] [2020-09-25 02:56:50,821 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:56:50,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-25 02:56:50,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034796686] [2020-09-25 02:56:50,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-25 02:56:50,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:56:50,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-25 02:56:50,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-25 02:56:50,827 INFO L87 Difference]: Start difference. First operand 337 states and 370 transitions. Second operand 11 states. [2020-09-25 02:56:51,514 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:56:53,252 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 02:56:53,921 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 02:56:54,311 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:54,662 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:54,982 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 02:56:55,856 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 02:56:56,194 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-25 02:56:56,568 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:56:58,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:56:58,192 INFO L93 Difference]: Finished difference Result 967 states and 1234 transitions. [2020-09-25 02:56:58,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-25 02:56:58,193 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-09-25 02:56:58,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:56:58,202 INFO L225 Difference]: With dead ends: 967 [2020-09-25 02:56:58,202 INFO L226 Difference]: Without dead ends: 745 [2020-09-25 02:56:58,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=342, Invalid=990, Unknown=0, NotChecked=0, Total=1332 [2020-09-25 02:56:58,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2020-09-25 02:56:58,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 494. [2020-09-25 02:56:58,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2020-09-25 02:56:58,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 563 transitions. [2020-09-25 02:56:58,302 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 563 transitions. Word has length 167 [2020-09-25 02:56:58,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:56:58,303 INFO L479 AbstractCegarLoop]: Abstraction has 494 states and 563 transitions. [2020-09-25 02:56:58,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-25 02:56:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 563 transitions. [2020-09-25 02:56:58,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2020-09-25 02:56:58,308 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:56:58,308 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 02:56:58,308 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 02:56:58,309 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:56:58,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:56:58,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1512917738, now seen corresponding path program 1 times [2020-09-25 02:56:58,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:56:58,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767948974] [2020-09-25 02:56:58,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:56:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:56:58,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:56:58,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-09-25 02:57:02,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:02,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4035 [2020-09-25 02:57:02,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 02:57:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 02:57:02,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-25 02:57:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,720 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:57:02,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:57:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:57:02,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 02:57:02,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:02,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:57:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:02,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:02,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:02,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:57:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:57:02,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:57:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:02,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:02,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:02,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:57:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:02,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 02:57:02,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:02,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:57:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:02,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:57:02,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:02,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 02:57:02,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:02,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:57:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:57:02,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 02:57:02,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:57:02,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 02:57:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:02,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:02,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:02,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:02,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:57:02,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:02,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:02,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:57:02,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:02,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-25 02:57:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:02,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:57:03,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-09-25 02:57:03,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:03,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-25 02:57:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:03,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:57:03,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:03,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 02:57:03,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:03,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:57:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:03,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:57:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:57:03,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:57:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:03,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:03,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:03,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:03,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-25 02:57:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:03,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:03,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:03,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:03,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:57:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-25 02:57:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:03,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:03,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:03,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:03,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:03,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 02:57:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:03,162 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 02:57:03,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767948974] [2020-09-25 02:57:03,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 02:57:03,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 02:57:03,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912416552] [2020-09-25 02:57:03,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 02:57:03,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:57:03,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 02:57:03,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-25 02:57:03,166 INFO L87 Difference]: Start difference. First operand 494 states and 563 transitions. Second operand 8 states. [2020-09-25 02:57:03,776 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:07,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 02:57:07,099 INFO L93 Difference]: Finished difference Result 1424 states and 1945 transitions. [2020-09-25 02:57:07,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-25 02:57:07,100 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2020-09-25 02:57:07,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 02:57:07,119 INFO L225 Difference]: With dead ends: 1424 [2020-09-25 02:57:07,119 INFO L226 Difference]: Without dead ends: 1421 [2020-09-25 02:57:07,121 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=196, Invalid=506, Unknown=0, NotChecked=0, Total=702 [2020-09-25 02:57:07,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2020-09-25 02:57:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 769. [2020-09-25 02:57:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2020-09-25 02:57:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 891 transitions. [2020-09-25 02:57:07,297 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 891 transitions. Word has length 200 [2020-09-25 02:57:07,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 02:57:07,298 INFO L479 AbstractCegarLoop]: Abstraction has 769 states and 891 transitions. [2020-09-25 02:57:07,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 02:57:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 891 transitions. [2020-09-25 02:57:07,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-09-25 02:57:07,310 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 02:57:07,311 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:57:07,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 02:57:07,312 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 02:57:07,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 02:57:07,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1964361860, now seen corresponding path program 1 times [2020-09-25 02:57:07,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 02:57:07,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [335191103] [2020-09-25 02:57:07,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 02:57:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:07,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:07,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:07,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:07,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:07,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:10,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:10,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:11,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 399 [2020-09-25 02:57:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 02:57:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 02:57:12,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 150 [2020-09-25 02:57:12,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-25 02:57:12,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:12,782 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 02:57:12,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 02:57:12,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:12,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 02:57:12,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:12,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-09-25 02:57:12,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:12,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:12,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:12,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:12,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 02:57:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:12,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:12,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:12,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:12,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:12,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:12,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:12,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 02:57:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:12,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:12,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:12,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:12,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:12,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:12,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:12,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 02:57:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:12,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:12,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:12,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:12,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:12,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:12,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 02:57:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:12,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:12,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:12,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 02:57:12,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:12,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:12,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:12,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:12,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:12,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 02:57:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:13,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:13,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 02:57:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 02:57:13,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:13,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 02:57:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 02:57:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:13,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 02:57:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:13,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 02:57:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 02:57:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-25 02:57:13,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:13,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:57:13,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 02:57:13,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 02:57:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:57:13,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:13,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:13,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:13,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:13,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-25 02:57:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-09-25 02:57:13,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:13,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-09-25 02:57:13,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 55 [2020-09-25 02:57:13,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 02:57:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:57:13,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:13,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-09-25 02:57:13,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 02:57:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:57:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:57:13,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-09-25 02:57:13,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:57:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:57:13,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:57:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:57:13,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:13,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:57:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:13,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 02:57:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:13,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:13,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-25 02:57:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:13,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:13,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 02:57:13,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 02:57:13,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:13,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 02:57:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:14,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 02:57:14,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 02:57:14,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 02:57:14,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 02:57:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-25 02:57:14,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-09-25 02:57:14,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 02:57:14,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-09-25 02:57:14,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-25 02:57:14,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:57:14,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 02:57:14,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-25 02:57:14,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 02:57:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 02:57:14,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 02:57:14,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 02:57:14,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 02:57:14,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 02:57:14,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:14,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 02:57:14,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 02:57:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 02:57:14,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 02:57:14,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:14,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 02:57:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:14,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:14,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 02:57:14,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-09-25 02:57:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 02:57:14,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 02:57:14,416 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-25 02:57:14,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 02:57:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:14,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 02:57:14,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:14,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 02:57:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:14,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 02:57:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2020-09-25 02:57:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 02:57:14,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 02:57:14,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 02:57:14,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 02:57:14,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-25 02:57:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:57:14,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:14,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-25 02:57:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 02:57:14,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 02:57:14,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 02:57:14,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 02:57:14,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 02:57:14,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 02:57:14,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 02:57:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 02:57:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 02:57:14,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 02:57:14,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 02:57:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 55 proven. 12 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-09-25 02:57:14,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [335191103] [2020-09-25 02:57:14,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 02:57:14,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-09-25 02:57:14,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073962832] [2020-09-25 02:57:14,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-25 02:57:14,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 02:57:14,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-25 02:57:14,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2020-09-25 02:57:14,667 INFO L87 Difference]: Start difference. First operand 769 states and 891 transitions. Second operand 21 states. [2020-09-25 02:57:15,323 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 02:57:16,521 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 02:57:17,126 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 02:57:17,473 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194