/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:57:26,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:57:26,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:57:26,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:57:26,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:57:26,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:57:26,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:57:27,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:57:27,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:57:27,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:57:27,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:57:27,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:57:27,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:57:27,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:57:27,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:57:27,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:57:27,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:57:27,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:57:27,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:57:27,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:57:27,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:57:27,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:57:27,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:57:27,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:57:27,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:57:27,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:57:27,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:57:27,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:57:27,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:57:27,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:57:27,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:57:27,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:57:27,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:57:27,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:57:27,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:57:27,056 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:57:27,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:57:27,057 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:57:27,057 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:57:27,058 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:57:27,059 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:57:27,060 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 11:57:27,123 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:57:27,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:57:27,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:57:27,130 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:57:27,130 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:57:27,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:57:27,131 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:57:27,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:57:27,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:57:27,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:57:27,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:57:27,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:57:27,132 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:57:27,132 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:57:27,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:57:27,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:57:27,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:57:27,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:57:27,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:57:27,135 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:57:27,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:57:27,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:57:27,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:57:27,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:57:27,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:57:27,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:57:27,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:57:27,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:57:27,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:57:27,137 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 11:57:27,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:57:27,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:57:27,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:57:27,716 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:57:27,718 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:57:27,719 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 11:57:27,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2869321de/3211623309b44480987cf4dec7cfc14e/FLAGbff92da5b [2020-09-25 11:57:28,366 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:57:28,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2020-09-25 11:57:28,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2869321de/3211623309b44480987cf4dec7cfc14e/FLAGbff92da5b [2020-09-25 11:57:28,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2869321de/3211623309b44480987cf4dec7cfc14e [2020-09-25 11:57:28,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:57:28,667 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:57:28,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:57:28,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:57:28,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:57:28,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:57:28" (1/1) ... [2020-09-25 11:57:28,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:28, skipping insertion in model container [2020-09-25 11:57:28,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:57:28" (1/1) ... [2020-09-25 11:57:28,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:57:28,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:57:29,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:57:29,188 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 11:57:29,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 11:57:29,452 INFO L208 MainTranslator]: Completed translation [2020-09-25 11:57:29,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29 WrapperNode [2020-09-25 11:57:29,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 11:57:29,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 11:57:29,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 11:57:29,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 11:57:29,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (1/1) ... [2020-09-25 11:57:29,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 11:57:29,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 11:57:29,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 11:57:29,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 11:57:29,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (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 11:57:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 11:57:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 11:57:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 11:57:29,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 11:57:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 11:57:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 11:57:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 11:57:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 11:57:29,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 11:57:29,642 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 11:57:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 11:57:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 11:57:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 11:57:29,643 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 11:57:29,644 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 11:57:29,645 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 11:57:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 11:57:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 11:57:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 11:57:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 11:57:29,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 11:57:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 11:57:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 11:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 11:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 11:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 11:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 11:57:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 11:57:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 11:57:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 11:57:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-25 11:57:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-25 11:57:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 11:57:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 11:57:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 11:57:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 11:57:29,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 11:57:29,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 11:57:29,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 11:57:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 11:57:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 11:57:29,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 11:57:30,783 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 11:57:30,783 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 11:57:30,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:57:30 BoogieIcfgContainer [2020-09-25 11:57:30,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 11:57:30,792 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 11:57:30,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 11:57:30,796 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 11:57:30,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 11:57:28" (1/3) ... [2020-09-25 11:57:30,797 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34750b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:57:30, skipping insertion in model container [2020-09-25 11:57:30,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:57:29" (2/3) ... [2020-09-25 11:57:30,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34750b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 11:57:30, skipping insertion in model container [2020-09-25 11:57:30,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:57:30" (3/3) ... [2020-09-25 11:57:30,800 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2020-09-25 11:57:30,812 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 11:57:30,822 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 11:57:30,843 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 11:57:30,872 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 11:57:30,873 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 11:57:30,873 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 11:57:30,873 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 11:57:30,873 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 11:57:30,873 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 11:57:30,873 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 11:57:30,874 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 11:57:30,899 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2020-09-25 11:57:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-25 11:57:30,916 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:30,918 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] [2020-09-25 11:57:30,918 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:30,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:30,925 INFO L82 PathProgramCache]: Analyzing trace with hash 750514354, now seen corresponding path program 1 times [2020-09-25 11:57:30,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:30,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092991275] [2020-09-25 11:57:30,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:31,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:31,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:33,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:33,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-25 11:57:36,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 11:57:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-25 11:57:36,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:36,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:36,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 11:57:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-25 11:57:36,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-09-25 11:57:36,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 11:57:36,730 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:36,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:36,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:37,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 274 [2020-09-25 11:57:37,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-25 11:57:37,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:37,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:57:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 11:57:37,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:37,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:37,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:37,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:57:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 11:57:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:57:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-25 11:57:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:37,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:37,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:37,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:37,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:37,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:37,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:37,242 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:37,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:37,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:37,274 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 11:57:37,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092991275] [2020-09-25 11:57:37,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:37,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 11:57:37,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080388599] [2020-09-25 11:57:37,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 11:57:37,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:37,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 11:57:37,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 11:57:37,307 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 8 states. [2020-09-25 11:57:37,961 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:38,942 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:57:39,300 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-25 11:57:39,652 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:40,030 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:40,332 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:57:41,048 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:41,434 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:57:41,946 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:43,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:57:43,038 INFO L93 Difference]: Finished difference Result 584 states and 714 transitions. [2020-09-25 11:57:43,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-25 11:57:43,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-25 11:57:43,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:57:43,062 INFO L225 Difference]: With dead ends: 584 [2020-09-25 11:57:43,062 INFO L226 Difference]: Without dead ends: 391 [2020-09-25 11:57:43,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:57:43,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2020-09-25 11:57:43,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 337. [2020-09-25 11:57:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2020-09-25 11:57:43,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 371 transitions. [2020-09-25 11:57:43,190 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 371 transitions. Word has length 142 [2020-09-25 11:57:43,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:57:43,191 INFO L479 AbstractCegarLoop]: Abstraction has 337 states and 371 transitions. [2020-09-25 11:57:43,191 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 11:57:43,192 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 371 transitions. [2020-09-25 11:57:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 11:57:43,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:43,197 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] [2020-09-25 11:57:43,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 11:57:43,198 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:43,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:43,198 INFO L82 PathProgramCache]: Analyzing trace with hash 24014077, now seen corresponding path program 1 times [2020-09-25 11:57:43,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:43,199 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1880138245] [2020-09-25 11:57:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:43,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:43,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-09-25 11:57:48,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 11:57:48,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-09-25 11:57:48,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-25 11:57:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-25 11:57:48,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:57:48,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:48,612 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:48,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:48,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:48,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 225 [2020-09-25 11:57:48,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-25 11:57:48,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:48,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:48,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:48,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,945 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:48,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:48,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,953 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:48,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:48,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:48,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:57:48,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:48,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:48,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:48,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:48,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:48,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:57:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:48,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:57:48,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:48,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 11:57:48,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:48,994 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:48,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:57:48,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:48,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 11:57:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:48,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:48,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:49,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:49,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:49,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:49,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:49,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:49,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:49,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 11:57:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-25 11:57:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:49,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:49,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:49,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:49,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:49,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:49,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:49,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:57:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:57:49,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:57:49,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:49,045 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 11:57:49,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1880138245] [2020-09-25 11:57:49,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:49,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 11:57:49,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561883921] [2020-09-25 11:57:49,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 11:57:49,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:49,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 11:57:49,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 11:57:49,054 INFO L87 Difference]: Start difference. First operand 337 states and 371 transitions. Second operand 6 states. [2020-09-25 11:57:49,586 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:57:50,310 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:57:52,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:57:52,457 INFO L93 Difference]: Finished difference Result 1102 states and 1329 transitions. [2020-09-25 11:57:52,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-25 11:57:52,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 11:57:52,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:57:52,469 INFO L225 Difference]: With dead ends: 1102 [2020-09-25 11:57:52,469 INFO L226 Difference]: Without dead ends: 875 [2020-09-25 11:57:52,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:57:52,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2020-09-25 11:57:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 669. [2020-09-25 11:57:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-09-25 11:57:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 759 transitions. [2020-09-25 11:57:52,604 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 759 transitions. Word has length 157 [2020-09-25 11:57:52,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:57:52,605 INFO L479 AbstractCegarLoop]: Abstraction has 669 states and 759 transitions. [2020-09-25 11:57:52,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 11:57:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 759 transitions. [2020-09-25 11:57:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-09-25 11:57:52,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:57:52,609 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] [2020-09-25 11:57:52,609 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 11:57:52,609 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:57:52,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:57:52,610 INFO L82 PathProgramCache]: Analyzing trace with hash -57306092, now seen corresponding path program 1 times [2020-09-25 11:57:52,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:57:52,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992807686] [2020-09-25 11:57:52,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:57:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:52,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:52,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:53,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:54,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-09-25 11:57:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 11:57:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-25 11:57:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:57,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-25 11:57:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 11:57:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-25 11:57:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:57,976 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:57:57,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:57:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:57:58,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-25 11:57:58,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 11:57:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:57:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:58,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:58,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:57:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:58,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:58,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:57:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:57:58,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:57:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:58,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:57:58,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:58,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:57:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:57:58,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 11:57:58,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 11:57:58,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 11:57:58,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:57:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 11:57:58,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 11:57:58,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:57:58,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,374 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:57:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-25 11:57:58,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-25 11:57:58,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:58,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:57:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:57:58,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:57:58,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 11:57:58,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 11:57:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:58,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:57:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,392 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 11:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:58,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:57:58,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-25 11:57:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:57:58,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:57:58,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:57:58,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:57:58,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:57:58,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 11:57:58,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:57:58,410 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:57:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:57:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:57:58,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:57:58,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:57:58,488 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 11:57:58,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992807686] [2020-09-25 11:57:58,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:57:58,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:57:58,489 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039273425] [2020-09-25 11:57:58,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:57:58,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:57:58,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:57:58,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:57:58,491 INFO L87 Difference]: Start difference. First operand 669 states and 759 transitions. Second operand 10 states. [2020-09-25 11:57:58,998 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:00,333 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:00,973 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-25 11:58:01,347 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:01,663 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 11:58:01,993 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:02,551 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-25 11:58:02,856 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:58:03,259 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:04,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:04,632 INFO L93 Difference]: Finished difference Result 1948 states and 2486 transitions. [2020-09-25 11:58:04,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 11:58:04,633 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 165 [2020-09-25 11:58:04,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:04,644 INFO L225 Difference]: With dead ends: 1948 [2020-09-25 11:58:04,644 INFO L226 Difference]: Without dead ends: 1389 [2020-09-25 11:58:04,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-25 11:58:04,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2020-09-25 11:58:04,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 977. [2020-09-25 11:58:04,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-25 11:58:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1148 transitions. [2020-09-25 11:58:04,800 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1148 transitions. Word has length 165 [2020-09-25 11:58:04,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:58:04,800 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1148 transitions. [2020-09-25 11:58:04,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:58:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1148 transitions. [2020-09-25 11:58:04,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 11:58:04,804 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:04,805 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] [2020-09-25 11:58:04,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 11:58:04,805 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:04,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:04,805 INFO L82 PathProgramCache]: Analyzing trace with hash 350443365, now seen corresponding path program 1 times [2020-09-25 11:58:04,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:04,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542413016] [2020-09-25 11:58:04,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:04,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 11:58:05,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-09-25 11:58:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:58:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:05,930 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:05,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:58:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:05,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:58:06,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-25 11:58:06,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:58:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:06,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:58:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:58:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:06,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:06,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:58:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:06,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:06,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:58:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:58:06,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:06,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:58:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 11:58:06,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-25 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 11:58:06,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:58:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:58:06,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-25 11:58:06,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-25 11:58:06,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:58:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:58:06,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 11:58:06,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,366 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:06,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:58:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:58:06,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:06,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:58:06,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 11:58:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:06,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:06,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:06,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 11:58:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:06,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:06,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:06,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:06,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:06,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:06,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:06,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:06,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:06,470 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 11:58:06,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542413016] [2020-09-25 11:58:06,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:58:06,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-25 11:58:06,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32022462] [2020-09-25 11:58:06,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-25 11:58:06,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:58:06,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-25 11:58:06,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-25 11:58:06,474 INFO L87 Difference]: Start difference. First operand 977 states and 1148 transitions. Second operand 10 states. [2020-09-25 11:58:08,036 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-25 11:58:08,364 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 11:58:08,703 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 11:58:09,042 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:09,391 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:09,708 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:10,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:10,881 INFO L93 Difference]: Finished difference Result 2278 states and 2873 transitions. [2020-09-25 11:58:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 11:58:10,882 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 190 [2020-09-25 11:58:10,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:10,898 INFO L225 Difference]: With dead ends: 2278 [2020-09-25 11:58:10,899 INFO L226 Difference]: Without dead ends: 1411 [2020-09-25 11:58:10,904 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-25 11:58:10,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2020-09-25 11:58:11,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1009. [2020-09-25 11:58:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1009 states. [2020-09-25 11:58:11,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1180 transitions. [2020-09-25 11:58:11,111 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1180 transitions. Word has length 190 [2020-09-25 11:58:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:58:11,112 INFO L479 AbstractCegarLoop]: Abstraction has 1009 states and 1180 transitions. [2020-09-25 11:58:11,112 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-25 11:58:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1180 transitions. [2020-09-25 11:58:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 11:58:11,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:11,117 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] [2020-09-25 11:58:11,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 11:58:11,117 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:11,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:11,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1071797499, now seen corresponding path program 1 times [2020-09-25 11:58:11,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:11,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806199288] [2020-09-25 11:58:11,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:11,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:11,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-09-25 11:58:11,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:11,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-09-25 11:58:11,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:11,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:11,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 171 [2020-09-25 11:58:11,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:58:11,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,070 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-25 11:58:12,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 11:58:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-25 11:58:12,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-25 11:58:12,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-25 11:58:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:12,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,211 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-25 11:58:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:12,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:12,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-25 11:58:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:12,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-25 11:58:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 11:58:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 11:58:12,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 11:58:12,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,248 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-25 11:58:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-25 11:58:12,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 11:58:12,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-25 11:58:12,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:58:12,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 11:58:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-25 11:58:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-25 11:58:12,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 11:58:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 11:58:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 11:58:12,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-25 11:58:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 11:58:12,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 11:58:12,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 11:58:12,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 11:58:12,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 11:58:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 11:58:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 11:58:12,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 11:58:12,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,423 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-25 11:58:12,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 11:58:12,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 11:58:12,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:12,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 11:58:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:12,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 11:58:12,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 11:58:12,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 11:58:12,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 11:58:12,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 11:58:12,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 11:58:12,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 11:58:12,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 11:58:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 11:58:12,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 11:58:12,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 11:58:12,469 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 11:58:12,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806199288] [2020-09-25 11:58:12,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 11:58:12,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 11:58:12,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889648077] [2020-09-25 11:58:12,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 11:58:12,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 11:58:12,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 11:58:12,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-25 11:58:12,471 INFO L87 Difference]: Start difference. First operand 1009 states and 1180 transitions. Second operand 9 states. [2020-09-25 11:58:13,631 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:13,931 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:14,244 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:14,563 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 11:58:14,860 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 11:58:16,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 11:58:16,206 INFO L93 Difference]: Finished difference Result 2354 states and 3022 transitions. [2020-09-25 11:58:16,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 11:58:16,207 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 190 [2020-09-25 11:58:16,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 11:58:16,219 INFO L225 Difference]: With dead ends: 2354 [2020-09-25 11:58:16,219 INFO L226 Difference]: Without dead ends: 1455 [2020-09-25 11:58:16,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-25 11:58:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2020-09-25 11:58:16,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1033. [2020-09-25 11:58:16,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2020-09-25 11:58:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1204 transitions. [2020-09-25 11:58:16,424 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1204 transitions. Word has length 190 [2020-09-25 11:58:16,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 11:58:16,424 INFO L479 AbstractCegarLoop]: Abstraction has 1033 states and 1204 transitions. [2020-09-25 11:58:16,425 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 11:58:16,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1204 transitions. [2020-09-25 11:58:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-09-25 11:58:16,436 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 11:58:16,437 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] [2020-09-25 11:58:16,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 11:58:16,437 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 11:58:16,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 11:58:16,438 INFO L82 PathProgramCache]: Analyzing trace with hash -863448728, now seen corresponding path program 1 times [2020-09-25 11:58:16,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 11:58:16,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087122077] [2020-09-25 11:58:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 11:58:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 11:58:16,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking...