/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=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 14:15:54,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 14:15:54,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 14:15:54,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 14:15:54,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 14:15:54,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 14:15:54,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 14:15:54,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 14:15:54,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 14:15:54,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 14:15:54,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 14:15:54,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 14:15:54,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 14:15:54,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 14:15:54,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 14:15:54,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 14:15:54,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 14:15:54,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 14:15:54,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 14:15:54,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 14:15:54,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 14:15:54,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 14:15:54,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 14:15:54,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 14:15:54,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 14:15:54,872 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 14:15:54,872 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 14:15:54,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 14:15:54,873 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 14:15:54,874 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 14:15:54,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 14:15:54,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 14:15:54,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 14:15:54,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 14:15:54,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 14:15:54,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 14:15:54,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 14:15:54,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 14:15:54,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 14:15:54,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 14:15:54,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 14:15:54,882 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 14:15:54,907 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 14:15:54,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 14:15:54,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 14:15:54,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 14:15:54,909 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 14:15:54,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 14:15:54,909 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 14:15:54,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 14:15:54,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 14:15:54,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 14:15:54,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 14:15:54,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 14:15:54,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 14:15:54,911 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 14:15:54,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 14:15:54,911 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 14:15:54,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 14:15:54,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 14:15:54,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 14:15:54,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 14:15:54,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 14:15:54,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 14:15:54,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 14:15:54,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 14:15:54,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 14:15:54,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 14:15:54,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 14:15:54,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 14:15:54,914 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 14:15:54,914 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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-09-25 14:15:55,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 14:15:55,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 14:15:55,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 14:15:55,407 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 14:15:55,409 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 14:15:55,410 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-25 14:15:55,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c919b4c/c60053fd7d6744ce9a739bc7fd286b5d/FLAG09f328701 [2020-09-25 14:15:56,158 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 14:15:56,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-09-25 14:15:56,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c919b4c/c60053fd7d6744ce9a739bc7fd286b5d/FLAG09f328701 [2020-09-25 14:15:56,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c919b4c/c60053fd7d6744ce9a739bc7fd286b5d [2020-09-25 14:15:56,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 14:15:56,449 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 14:15:56,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:56,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 14:15:56,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 14:15:56,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:56" (1/1) ... [2020-09-25 14:15:56,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56344ce7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:56, skipping insertion in model container [2020-09-25 14:15:56,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:15:56" (1/1) ... [2020-09-25 14:15:56,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 14:15:56,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 14:15:57,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:57,035 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 14:15:57,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 14:15:57,208 INFO L208 MainTranslator]: Completed translation [2020-09-25 14:15:57,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57 WrapperNode [2020-09-25 14:15:57,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 14:15:57,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 14:15:57,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 14:15:57,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 14:15:57,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (1/1) ... [2020-09-25 14:15:57,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 14:15:57,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 14:15:57,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 14:15:57,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 14:15:57,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (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 14:15:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 14:15:57,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 14:15:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-25 14:15:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-25 14:15:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 14:15:57,398 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-25 14:15:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 14:15:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 14:15:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 14:15:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 14:15:57,399 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 14:15:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 14:15:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-25 14:15:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-25 14:15:57,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-25 14:15:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:15:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-25 14:15:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-25 14:15:57,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-25 14:15:57,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:57,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 14:15:57,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 14:15:57,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 14:15:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 14:15:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 14:15:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 14:15:57,405 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-25 14:15:57,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 14:15:57,407 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-25 14:15:57,408 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-25 14:15:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-25 14:15:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-25 14:15:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-25 14:15:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-25 14:15:57,409 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-25 14:15:57,410 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 14:15:57,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 14:15:57,412 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 14:15:57,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 14:15:57,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 14:15:58,688 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 14:15:58,689 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-25 14:15:58,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:58 BoogieIcfgContainer [2020-09-25 14:15:58,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 14:15:58,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 14:15:58,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 14:15:58,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 14:15:58,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:15:56" (1/3) ... [2020-09-25 14:15:58,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:58, skipping insertion in model container [2020-09-25 14:15:58,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:15:57" (2/3) ... [2020-09-25 14:15:58,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5963b188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:15:58, skipping insertion in model container [2020-09-25 14:15:58,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:15:58" (3/3) ... [2020-09-25 14:15:58,707 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-09-25 14:15:58,720 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 14:15:58,733 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 14:15:58,757 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 14:15:58,794 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 14:15:58,794 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 14:15:58,794 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 14:15:58,794 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 14:15:58,794 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 14:15:58,795 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 14:15:58,795 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 14:15:58,795 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 14:15:58,825 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states. [2020-09-25 14:15:58,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-25 14:15:58,844 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:15:58,846 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:15:58,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:15:58,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:15:58,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1113961409, now seen corresponding path program 1 times [2020-09-25 14:15:58,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:15:58,869 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60467381] [2020-09-25 14:15:58,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:15:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:15:59,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:15:59,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:00,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:02,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:04,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:04,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-25 14:16:04,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:04,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5052 [2020-09-25 14:16:04,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:04,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:04,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-25 14:16:04,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-25 14:16:04,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-25 14:16:04,949 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:04,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:05,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 370 [2020-09-25 14:16:05,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,394 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-25 14:16:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:05,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:05,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:05,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:05,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:05,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:05,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:16:05,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:05,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:05,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:05,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,549 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:05,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:05,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 14:16:05,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,574 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:05,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:05,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 14:16:05,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:05,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 14:16:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:05,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:05,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-25 14:16:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:05,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:05,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:05,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:05,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:05,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:05,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:05,611 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:05,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:05,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:05,658 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 14:16:05,659 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60467381] [2020-09-25 14:16:05,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:05,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 14:16:05,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981305319] [2020-09-25 14:16:05,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 14:16:05,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:05,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 14:16:05,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 14:16:05,701 INFO L87 Difference]: Start difference. First operand 300 states. Second operand 5 states. [2020-09-25 14:16:06,399 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:07,365 INFO L93 Difference]: Finished difference Result 426 states and 504 transitions. [2020-09-25 14:16:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 14:16:07,368 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-25 14:16:07,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:07,388 INFO L225 Difference]: With dead ends: 426 [2020-09-25 14:16:07,388 INFO L226 Difference]: Without dead ends: 278 [2020-09-25 14:16:07,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 14:16:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-09-25 14:16:07,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 233. [2020-09-25 14:16:07,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-09-25 14:16:07,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 250 transitions. [2020-09-25 14:16:07,510 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 250 transitions. Word has length 148 [2020-09-25 14:16:07,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:07,517 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 250 transitions. [2020-09-25 14:16:07,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 14:16:07,517 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 250 transitions. [2020-09-25 14:16:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-09-25 14:16:07,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:07,524 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 14:16:07,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 14:16:07,527 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:07,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1636108198, now seen corresponding path program 1 times [2020-09-25 14:16:07,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:07,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [182123087] [2020-09-25 14:16:07,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:07,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:07,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:08,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:12,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:12,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-25 14:16:12,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-25 14:16:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-09-25 14:16:12,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:12,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-25 14:16:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-09-25 14:16:12,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 66 [2020-09-25 14:16:12,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:12,904 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:12,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:12,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:13,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-25 14:16:13,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:13,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:13,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,048 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:13,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:13,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:13,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:13,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:13,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:13,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:13,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:13,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,087 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:13,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 14:16:13,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-25 14:16:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:13,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:13,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,107 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 14:16:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:13,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:13,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:13,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:13,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:16:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:13,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:13,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:13,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-25 14:16:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:13,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:13,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:13,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:13,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:13,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:13,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:13,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:13,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:13,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:13,166 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 14:16:13,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [182123087] [2020-09-25 14:16:13,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 14:16:13,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-25 14:16:13,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034441031] [2020-09-25 14:16:13,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-25 14:16:13,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:13,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-25 14:16:13,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-25 14:16:13,170 INFO L87 Difference]: Start difference. First operand 233 states and 250 transitions. Second operand 6 states. [2020-09-25 14:16:13,712 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:16,315 INFO L93 Difference]: Finished difference Result 522 states and 673 transitions. [2020-09-25 14:16:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 14:16:16,316 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 157 [2020-09-25 14:16:16,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:16,324 INFO L225 Difference]: With dead ends: 522 [2020-09-25 14:16:16,324 INFO L226 Difference]: Without dead ends: 519 [2020-09-25 14:16:16,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-25 14:16:16,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-25 14:16:16,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 351. [2020-09-25 14:16:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2020-09-25 14:16:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 391 transitions. [2020-09-25 14:16:16,415 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 391 transitions. Word has length 157 [2020-09-25 14:16:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:16,416 INFO L479 AbstractCegarLoop]: Abstraction has 351 states and 391 transitions. [2020-09-25 14:16:16,416 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-25 14:16:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 391 transitions. [2020-09-25 14:16:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-09-25 14:16:16,420 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:16,421 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:16:16,421 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 14:16:16,421 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:16,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:16,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1933147991, now seen corresponding path program 1 times [2020-09-25 14:16:16,422 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:16,422 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [601524771] [2020-09-25 14:16:16,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:16,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:18,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:20,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:21,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:21,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-09-25 14:16:21,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 14:16:21,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-09-25 14:16:21,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:21,480 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-25 14:16:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-25 14:16:21,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-25 14:16:21,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:21,843 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:21,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:22,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 227 [2020-09-25 14:16:22,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-25 14:16:22,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:22,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:22,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:22,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:22,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:22,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:22,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:22,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:22,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:22,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:22,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:22,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:22,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:22,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:22,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 14:16:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-25 14:16:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:16:22,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:16:22,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 478 [2020-09-25 14:16:22,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-25 14:16:22,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-25 14:16:22,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:22,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:22,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:22,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:22,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:22,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:22,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:16:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:22,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-09-25 14:16:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-25 14:16:22,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:22,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:22,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:22,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:22,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:22,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:22,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 14:16:22,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:22,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:16:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:23,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:23,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:23,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:23,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-25 14:16:23,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-09-25 14:16:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:23,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:23,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 14:16:23,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:23,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:16:23,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:23,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:23,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:23,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-09-25 14:16:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:23,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:23,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:23,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:23,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:23,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-25 14:16:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:23,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:23,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:23,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:23,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:23,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:23,108 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-25 14:16:23,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [601524771] [2020-09-25 14:16:23,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:16:23,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-25 14:16:23,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648924046] [2020-09-25 14:16:23,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-25 14:16:23,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:23,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-25 14:16:23,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-09-25 14:16:23,114 INFO L87 Difference]: Start difference. First operand 351 states and 391 transitions. Second operand 12 states. [2020-09-25 14:16:23,639 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:24,827 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-25 14:16:25,510 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-25 14:16:26,122 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:26,823 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:16:27,492 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 193 [2020-09-25 14:16:28,132 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 191 [2020-09-25 14:16:29,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:29,883 INFO L93 Difference]: Finished difference Result 952 states and 1202 transitions. [2020-09-25 14:16:29,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-25 14:16:29,884 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 201 [2020-09-25 14:16:29,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:29,895 INFO L225 Difference]: With dead ends: 952 [2020-09-25 14:16:29,895 INFO L226 Difference]: Without dead ends: 698 [2020-09-25 14:16:29,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2020-09-25 14:16:29,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2020-09-25 14:16:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 435. [2020-09-25 14:16:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-25 14:16:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 484 transitions. [2020-09-25 14:16:29,973 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 484 transitions. Word has length 201 [2020-09-25 14:16:29,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:29,973 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 484 transitions. [2020-09-25 14:16:29,973 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-25 14:16:29,973 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 484 transitions. [2020-09-25 14:16:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-09-25 14:16:29,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 14:16:29,977 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 14:16:29,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 14:16:29,978 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 14:16:29,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 14:16:29,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1926134730, now seen corresponding path program 1 times [2020-09-25 14:16:29,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 14:16:29,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [914450085] [2020-09-25 14:16:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 14:16:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:30,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:30,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:30,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:30,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:33,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:34,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-09-25 14:16:35,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 14:16:35,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5036 [2020-09-25 14:16:35,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-25 14:16:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 160 [2020-09-25 14:16:35,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-09-25 14:16:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,406 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-25 14:16:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 14:16:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-25 14:16:35,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-09-25 14:16:35,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,527 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-25 14:16:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:35,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-25 14:16:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:35,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:35,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-25 14:16:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:35,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 14:16:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-25 14:16:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 14:16:35,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-25 14:16:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 14:16:35,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 14:16:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-25 14:16:35,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 14:16:35,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-25 14:16:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-09-25 14:16:35,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 14:16:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-09-25 14:16:35,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 14:16:35,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:35,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:35,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:16:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:35,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:16:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 14:16:35,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 14:16:35,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-25 14:16:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:35,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:35,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:35,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:35,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:35,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:35,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:35,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:35,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-09-25 14:16:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:35,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-25 14:16:36,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 14:16:36,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-09-25 14:16:36,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 14:16:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 14:16:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:36,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:36,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,154 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:36,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:36,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 14:16:36,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:36,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 14:16:36,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 14:16:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:36,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 14:16:36,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-25 14:16:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-25 14:16:36,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-25 14:16:36,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 14:16:36,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-25 14:16:36,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-25 14:16:36,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:36,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:36,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:36,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:36,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 14:16:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:36,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 14:16:36,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 14:16:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:36,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 14:16:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-25 14:16:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-25 14:16:36,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-25 14:16:36,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:36,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 14:16:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 14:16:36,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:36,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 14:16:36,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-25 14:16:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:36,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:36,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:36,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:36,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:36,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-09-25 14:16:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 14:16:36,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 14:16:36,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 14:16:36,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 14:16:36,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 14:16:36,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 14:16:36,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 14:16:36,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5 [2020-09-25 14:16:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 14:16:36,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-25 14:16:36,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 14:16:36,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 14:16:36,488 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-09-25 14:16:36,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [914450085] [2020-09-25 14:16:36,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-25 14:16:36,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-25 14:16:36,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009057001] [2020-09-25 14:16:36,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-25 14:16:36,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 14:16:36,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-25 14:16:36,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-25 14:16:36,491 INFO L87 Difference]: Start difference. First operand 435 states and 484 transitions. Second operand 13 states. [2020-09-25 14:16:36,989 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-25 14:16:38,264 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:38,561 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:38,921 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:39,261 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:39,559 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-25 14:16:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 14:16:39,851 INFO L93 Difference]: Finished difference Result 650 states and 762 transitions. [2020-09-25 14:16:39,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-25 14:16:39,852 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 249 [2020-09-25 14:16:39,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 14:16:39,854 INFO L225 Difference]: With dead ends: 650 [2020-09-25 14:16:39,854 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 14:16:39,856 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2020-09-25 14:16:39,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 14:16:39,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 14:16:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 14:16:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 14:16:39,857 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2020-09-25 14:16:39,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 14:16:39,857 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 14:16:39,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-25 14:16:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 14:16:39,857 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 14:16:39,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 14:16:39,860 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 14:16:40,079 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:40,471 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:40,760 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:41,115 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:41,291 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:41,462 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-25 14:16:41,769 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-25 14:16:41,936 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-25 14:16:42,396 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 205