/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 --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 interpolation-heuristic=FIRST --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_spec5_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:17:43,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:17:43,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:17:43,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:17:43,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:17:43,847 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:17:43,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:17:43,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:17:43,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:17:43,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:17:43,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:17:43,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:17:43,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:17:43,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:17:43,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:17:43,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:17:43,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:17:43,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:17:43,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:17:43,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:17:43,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:17:43,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:17:43,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:17:43,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:17:43,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:17:43,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:17:43,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:17:43,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:17:43,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:17:43,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:17:43,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:17:43,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:17:43,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:17:43,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:17:43,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:17:43,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:17:43,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:17:43,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:17:43,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:17:43,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:17:43,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:17:43,908 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 [2020-09-21 11:17:43,948 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:17:43,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:17:43,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:17:43,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:17:43,950 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:17:43,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:17:43,951 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:17:43,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:17:43,952 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:17:43,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:17:43,952 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:17:43,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:17:43,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:17:43,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:17:43,953 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:17:43,953 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:17:43,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:17:43,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:17:43,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:17:43,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:17:43,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:17:43,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:17:43,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:17:43,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:17:43,955 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.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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;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;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-21 11:17:44,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:17:44,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:17:44,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:17:44,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:17:44,447 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:17:44,448 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-21 11:17:44,525 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95967982/53fb13b237f6412da0b58c0936c2cf45/FLAG8ae374f33 [2020-09-21 11:17:45,155 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:17:45,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-09-21 11:17:45,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95967982/53fb13b237f6412da0b58c0936c2cf45/FLAG8ae374f33 [2020-09-21 11:17:45,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95967982/53fb13b237f6412da0b58c0936c2cf45 [2020-09-21 11:17:45,389 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:17:45,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:17:45,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:45,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:17:45,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:17:45,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:45" (1/1) ... [2020-09-21 11:17:45,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:45, skipping insertion in model container [2020-09-21 11:17:45,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:17:45" (1/1) ... [2020-09-21 11:17:45,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:17:45,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:17:45,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:45,929 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:17:46,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:17:46,061 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:17:46,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46 WrapperNode [2020-09-21 11:17:46,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:17:46,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:17:46,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:17:46,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:17:46,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,110 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (1/1) ... [2020-09-21 11:17:46,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:17:46,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:17:46,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:17:46,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:17:46,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (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 [2020-09-21 11:17:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:17:46,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:17:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:46,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:17:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:17:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:17:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:46,264 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:17:46,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:17:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:17:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:17:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-21 11:17:46,266 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:17:46,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:17:46,268 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:17:46,269 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:17:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:17:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:17:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:17:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:17:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:17:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:17:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:17:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:17:46,272 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:17:46,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:17:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-21 11:17:46,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:17:46,276 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:17:46,277 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:17:46,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:17:46,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:17:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:17:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:17:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:17:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:17:46,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:17:47,317 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:17:47,318 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:17:47,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:47 BoogieIcfgContainer [2020-09-21 11:17:47,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:17:47,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:17:47,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:17:47,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:17:47,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:17:45" (1/3) ... [2020-09-21 11:17:47,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5ae562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:47, skipping insertion in model container [2020-09-21 11:17:47,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:17:46" (2/3) ... [2020-09-21 11:17:47,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5ae562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:17:47, skipping insertion in model container [2020-09-21 11:17:47,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:17:47" (3/3) ... [2020-09-21 11:17:47,333 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-09-21 11:17:47,344 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:17:47,354 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:17:47,376 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:17:47,406 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:17:47,406 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:17:47,406 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:17:47,406 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:17:47,407 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:17:47,407 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:17:47,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:17:47,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:17:47,434 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2020-09-21 11:17:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:17:47,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:47,449 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:47,449 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:47,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:47,457 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2020-09-21 11:17:47,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:47,469 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654474866] [2020-09-21 11:17:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:47,747 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:47,748 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:47,748 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:47,748 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:47,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:17:47,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:47,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:17:47,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:17:47,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,225 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,237 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,238 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,238 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,238 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,299 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,305 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:48,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,312 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,313 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,313 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:48,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,326 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,327 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,327 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,327 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:17:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,335 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,336 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:48,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:48,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:48,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,372 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,373 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,373 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,374 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:48,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:48,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:17:48,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:17:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,392 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:48,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:48,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:48,398 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:48,399 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:48,399 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:48,399 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:48,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:48,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:48,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:48,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:48,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:48,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:48,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:48,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654474866] [2020-09-21 11:17:48,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:48,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:17:48,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667301277] [2020-09-21 11:17:48,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:17:48,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:48,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:17:48,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:48,450 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 4 states. [2020-09-21 11:17:49,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:49,789 INFO L93 Difference]: Finished difference Result 382 states and 489 transitions. [2020-09-21 11:17:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:17:49,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:17:49,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:49,810 INFO L225 Difference]: With dead ends: 382 [2020-09-21 11:17:49,810 INFO L226 Difference]: Without dead ends: 210 [2020-09-21 11:17:49,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:17:49,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-09-21 11:17:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 173. [2020-09-21 11:17:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-09-21 11:17:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2020-09-21 11:17:49,959 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2020-09-21 11:17:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:49,960 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2020-09-21 11:17:49,960 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:17:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2020-09-21 11:17:49,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-09-21 11:17:49,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:49,974 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:49,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:17:49,974 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:49,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:49,975 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2020-09-21 11:17:49,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:49,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370545119] [2020-09-21 11:17:49,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,052 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,052 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-09-21 11:17:50,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:50,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:17:50,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:17:50,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,356 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,366 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,366 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:50,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,413 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:50,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,441 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,441 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,442 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,442 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:17:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,447 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,448 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,448 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,448 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:17:50,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,453 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,453 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,454 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:50,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-09-21 11:17:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,459 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:17:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:50,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:50,464 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:50,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:50,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:50,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:50,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:50,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:50,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:50,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:50,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:50,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:50,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370545119] [2020-09-21 11:17:50,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:50,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:50,477 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391021289] [2020-09-21 11:17:50,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:50,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:50,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:50,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:50,480 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 5 states. [2020-09-21 11:17:51,038 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:17:52,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:52,388 INFO L93 Difference]: Finished difference Result 317 states and 389 transitions. [2020-09-21 11:17:52,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:52,388 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-09-21 11:17:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:52,392 INFO L225 Difference]: With dead ends: 317 [2020-09-21 11:17:52,392 INFO L226 Difference]: Without dead ends: 200 [2020-09-21 11:17:52,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:52,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-09-21 11:17:52,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 164. [2020-09-21 11:17:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-21 11:17:52,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2020-09-21 11:17:52,446 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2020-09-21 11:17:52,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:52,446 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2020-09-21 11:17:52,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2020-09-21 11:17:52,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-09-21 11:17:52,448 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:52,449 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:52,449 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:17:52,449 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:52,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:52,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2020-09-21 11:17:52,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:52,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848791179] [2020-09-21 11:17:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:52,929 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:17:52,930 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:52,930 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:52,930 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:52,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-09-21 11:17:52,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:52,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 422 [2020-09-21 11:17:52,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:17:52,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:52,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-09-21 11:17:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,271 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:53,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,363 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,364 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,364 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-21 11:17:53,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:53,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,411 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:53,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:53,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,431 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,432 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,432 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:17:53,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:53,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,438 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,439 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,439 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,439 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:53,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:53,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:53,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:17:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:17:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,470 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,470 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:53,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:53,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:53,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:53,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:17:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,491 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,491 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:53,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:53,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-21 11:17:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:53,501 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:53,501 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:53,501 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:53,501 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:53,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:53,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:53,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:53,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:53,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:53,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:53,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:17:53,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:17:53,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848791179] [2020-09-21 11:17:53,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:53,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:17:53,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116652964] [2020-09-21 11:17:53,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:17:53,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:53,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:17:53,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:17:53,526 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 5 states. [2020-09-21 11:17:53,893 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:17:56,158 INFO L93 Difference]: Finished difference Result 484 states and 597 transitions. [2020-09-21 11:17:56,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:17:56,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2020-09-21 11:17:56,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:17:56,165 INFO L225 Difference]: With dead ends: 484 [2020-09-21 11:17:56,165 INFO L226 Difference]: Without dead ends: 348 [2020-09-21 11:17:56,167 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:17:56,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-09-21 11:17:56,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 290. [2020-09-21 11:17:56,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2020-09-21 11:17:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2020-09-21 11:17:56,235 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 65 [2020-09-21 11:17:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:17:56,236 INFO L479 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2020-09-21 11:17:56,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:17:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2020-09-21 11:17:56,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:17:56,238 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:17:56,238 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:17:56,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:17:56,238 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:17:56,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:17:56,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2020-09-21 11:17:56,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:17:56,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979667529] [2020-09-21 11:17:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:17:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:56,717 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:56,717 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:56,718 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:56,718 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:56,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:17:56,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:56,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 429 [2020-09-21 11:17:56,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:17:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:17:56,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:17:56,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,201 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:17:57,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,299 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-21 11:17:57,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:57,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:17:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,354 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,354 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,354 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,355 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:17:57,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:57,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:17:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:57,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:17:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,370 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,371 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:17:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:17:57,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:17:57,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:17:57,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:17:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,404 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,405 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,405 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,405 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:17:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:17:57,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:17:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,448 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,449 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,449 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,449 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:17:57,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:17:57,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:17:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,457 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,457 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,457 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:17:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:17:57,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:17:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,466 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,466 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,466 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,467 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:17:57,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:17:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:17:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:17:57,476 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:17:57,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:17:57,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:17:57,477 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:17:57,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:17:57,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:17:57,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:17:57,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:17:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:17:57,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:17:57,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:17:57,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:17:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-21 11:17:57,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979667529] [2020-09-21 11:17:57,519 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:17:57,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:17:57,520 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042649863] [2020-09-21 11:17:57,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:17:57,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:17:57,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:17:57,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:17:57,522 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 9 states. [2020-09-21 11:17:58,144 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:17:59,010 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:00,203 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:00,543 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:01,225 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:01,520 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:02,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:02,361 INFO L93 Difference]: Finished difference Result 788 states and 1015 transitions. [2020-09-21 11:18:02,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:18:02,362 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:18:02,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:02,368 INFO L225 Difference]: With dead ends: 788 [2020-09-21 11:18:02,368 INFO L226 Difference]: Without dead ends: 526 [2020-09-21 11:18:02,370 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:18:02,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2020-09-21 11:18:02,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 464. [2020-09-21 11:18:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2020-09-21 11:18:02,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 553 transitions. [2020-09-21 11:18:02,470 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 553 transitions. Word has length 70 [2020-09-21 11:18:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:02,471 INFO L479 AbstractCegarLoop]: Abstraction has 464 states and 553 transitions. [2020-09-21 11:18:02,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:18:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 553 transitions. [2020-09-21 11:18:02,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 11:18:02,474 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:02,474 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:18:02,474 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:18:02,474 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:02,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:02,475 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2020-09-21 11:18:02,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:02,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541906288] [2020-09-21 11:18:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 102 [2020-09-21 11:18:02,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:02,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,832 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:02,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,840 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:02,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:02,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,867 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,867 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,867 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:02,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:02,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,871 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,871 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,871 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:02,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:02,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,875 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:02,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:02,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,879 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,880 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:02,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:02,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:18:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,894 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,894 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:02,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:02,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,899 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,899 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,900 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,900 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:02,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:02,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:02,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:02,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:18:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,921 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,921 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:02,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:02,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:02,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:02,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:02,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-09-21 11:18:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:02,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:02,958 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:02,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:02,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:02,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:02,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:02,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:02,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:02,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:02,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:18:02,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:18:02,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,019 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:03,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:03,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:03,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:03,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:18:03,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:03,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:03,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:03,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,078 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:03,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:03,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,083 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,083 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:03,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:03,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:03,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:18:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,097 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:18:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:03,102 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:03,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:03,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:03,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:03,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:03,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:18:03,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541906288] [2020-09-21 11:18:03,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:03,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:18:03,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220890921] [2020-09-21 11:18:03,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:18:03,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:03,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:18:03,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:18:03,123 INFO L87 Difference]: Start difference. First operand 464 states and 553 transitions. Second operand 9 states. [2020-09-21 11:18:04,348 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:04,662 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:18:04,977 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:05,312 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:06,517 INFO L93 Difference]: Finished difference Result 979 states and 1245 transitions. [2020-09-21 11:18:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:18:06,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 113 [2020-09-21 11:18:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:06,526 INFO L225 Difference]: With dead ends: 979 [2020-09-21 11:18:06,526 INFO L226 Difference]: Without dead ends: 543 [2020-09-21 11:18:06,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-09-21 11:18:06,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-09-21 11:18:06,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 477. [2020-09-21 11:18:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2020-09-21 11:18:06,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 567 transitions. [2020-09-21 11:18:06,628 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 567 transitions. Word has length 113 [2020-09-21 11:18:06,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:06,629 INFO L479 AbstractCegarLoop]: Abstraction has 477 states and 567 transitions. [2020-09-21 11:18:06,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:18:06,629 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 567 transitions. [2020-09-21 11:18:06,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 11:18:06,631 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:06,632 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:18:06,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:18:06,632 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:06,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2020-09-21 11:18:06,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:06,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389236909] [2020-09-21 11:18:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:06,686 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:18:06,686 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -72 [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Difference in width: 72 [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:06,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 98 [2020-09-21 11:18:06,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:06,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:06,947 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:06,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:06,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:06,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:06,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:06,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:06,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:06,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:06,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,015 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:07,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:07,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,023 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:07,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,027 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,027 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,028 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,028 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:07,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:07,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,037 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,037 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,037 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,038 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:07,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:18:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,042 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,043 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,043 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:07,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:18:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,074 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,074 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,074 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:18:07,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:07,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,088 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,088 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,089 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:07,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-09-21 11:18:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:07,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:07,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:18:07,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:07,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:07,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:07,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:18:07,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:07,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,144 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,144 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,145 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,145 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:07,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:07,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,162 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,162 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,162 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,162 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:07,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 27 [2020-09-21 11:18:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,168 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,169 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:07,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,174 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,175 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:07,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:07,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:18:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,189 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,189 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,190 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:07,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:07,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:18:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:07,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:07,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:07,195 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:07,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:07,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:07,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:07,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:07,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:07,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:07,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:07,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:18:07,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389236909] [2020-09-21 11:18:07,212 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:07,212 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:18:07,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421232620] [2020-09-21 11:18:07,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:18:07,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:07,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:18:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:18:07,214 INFO L87 Difference]: Start difference. First operand 477 states and 567 transitions. Second operand 8 states. [2020-09-21 11:18:08,307 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:08,630 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:08,936 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:10,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:10,104 INFO L93 Difference]: Finished difference Result 1002 states and 1269 transitions. [2020-09-21 11:18:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:18:10,104 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-09-21 11:18:10,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:10,108 INFO L225 Difference]: With dead ends: 1002 [2020-09-21 11:18:10,109 INFO L226 Difference]: Without dead ends: 553 [2020-09-21 11:18:10,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:18:10,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-09-21 11:18:10,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 485. [2020-09-21 11:18:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2020-09-21 11:18:10,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 575 transitions. [2020-09-21 11:18:10,200 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 575 transitions. Word has length 113 [2020-09-21 11:18:10,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:10,201 INFO L479 AbstractCegarLoop]: Abstraction has 485 states and 575 transitions. [2020-09-21 11:18:10,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:18:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 575 transitions. [2020-09-21 11:18:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-21 11:18:10,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:10,204 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:18:10,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:18:10,204 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:10,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:10,205 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2020-09-21 11:18:10,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:10,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [668468460] [2020-09-21 11:18:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,528 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,529 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,529 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,529 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 166 [2020-09-21 11:18:10,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-21 11:18:10,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:18:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:10,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-09-21 11:18:10,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:10,851 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:10,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,906 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:10,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,941 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:10,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:10,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:10,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:10,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:10,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:10,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:10,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,951 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,951 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,951 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,951 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:10,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,957 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,957 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,957 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:10,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,969 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,970 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:10,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:10,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:10,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-09-21 11:18:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,977 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:10,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:10,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:10,983 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:10,983 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:10,983 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:10,983 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:10,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:10,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:10,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:10,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-21 11:18:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:11,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-21 11:18:11,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:18:11,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:11,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:18:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-09-21 11:18:11,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,056 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:11,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:11,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-21 11:18:11,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,080 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:11,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-21 11:18:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:11,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,100 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,101 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,101 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:11,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:11,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:18:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:11,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,122 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,123 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:11,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:11,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:11,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-21 11:18:11,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:11,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:11,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:11,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,136 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,136 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:11,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:11,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:11,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:11,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:11,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:11,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:11,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:11,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:11,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-09-21 11:18:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,196 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,196 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,196 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:11,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:18:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:11,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:11,200 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:11,200 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:11,200 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:11,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:11,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:11,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:18:11,218 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [668468460] [2020-09-21 11:18:11,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:11,218 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-21 11:18:11,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457490228] [2020-09-21 11:18:11,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-21 11:18:11,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:11,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-21 11:18:11,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-21 11:18:11,222 INFO L87 Difference]: Start difference. First operand 485 states and 575 transitions. Second operand 7 states. [2020-09-21 11:18:11,588 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:12,223 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:14,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:14,878 INFO L93 Difference]: Finished difference Result 1419 states and 1815 transitions. [2020-09-21 11:18:14,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:18:14,880 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 113 [2020-09-21 11:18:14,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:14,888 INFO L225 Difference]: With dead ends: 1419 [2020-09-21 11:18:14,888 INFO L226 Difference]: Without dead ends: 962 [2020-09-21 11:18:14,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-21 11:18:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2020-09-21 11:18:15,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 896. [2020-09-21 11:18:15,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 896 states. [2020-09-21 11:18:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1082 transitions. [2020-09-21 11:18:15,054 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1082 transitions. Word has length 113 [2020-09-21 11:18:15,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:15,055 INFO L479 AbstractCegarLoop]: Abstraction has 896 states and 1082 transitions. [2020-09-21 11:18:15,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-21 11:18:15,055 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1082 transitions. [2020-09-21 11:18:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-21 11:18:15,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:15,059 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-09-21 11:18:15,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:18:15,060 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:15,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:15,060 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2020-09-21 11:18:15,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:15,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336397885] [2020-09-21 11:18:15,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:15,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:15,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 375 [2020-09-21 11:18:15,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:18:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:15,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 153 [2020-09-21 11:18:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:15,949 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:15,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:15,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:15,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:15,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:15,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:15,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:15,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:18:15,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:15,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:15,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:15,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:16,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:16,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:16,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,039 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,039 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,039 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,040 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:16,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,044 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:16,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,061 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,061 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,061 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,061 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:16,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,081 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,081 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:16,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:18:16,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:18:16,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-09-21 11:18:16,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,121 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,121 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-21 11:18:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,151 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,151 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:18:16,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,164 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:16,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:16,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:16,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,186 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,187 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,187 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:16,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,194 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:16,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:16,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,200 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,201 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,201 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,201 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:16,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,211 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,212 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,212 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,212 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:16,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-21 11:18:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,223 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:16,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:18:16,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:16,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:16,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-09-21 11:18:16,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:16,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:16,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:16,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:16,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:16,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:16,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:16,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:16,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:16,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:16,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:16,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:16,268 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-21 11:18:16,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336397885] [2020-09-21 11:18:16,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:16,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:18:16,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693308156] [2020-09-21 11:18:16,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:18:16,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:16,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:18:16,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:18:16,273 INFO L87 Difference]: Start difference. First operand 896 states and 1082 transitions. Second operand 12 states. [2020-09-21 11:18:17,024 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:17,792 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:18,620 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:19,039 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:19,344 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:19,691 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:20,015 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:22,733 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:23,033 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:24,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:24,200 INFO L93 Difference]: Finished difference Result 2577 states and 3312 transitions. [2020-09-21 11:18:24,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:18:24,201 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2020-09-21 11:18:24,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:24,214 INFO L225 Difference]: With dead ends: 2577 [2020-09-21 11:18:24,214 INFO L226 Difference]: Without dead ends: 1868 [2020-09-21 11:18:24,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:18:24,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1868 states. [2020-09-21 11:18:24,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1868 to 1600. [2020-09-21 11:18:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1600 states. [2020-09-21 11:18:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1600 states and 1917 transitions. [2020-09-21 11:18:24,495 INFO L78 Accepts]: Start accepts. Automaton has 1600 states and 1917 transitions. Word has length 117 [2020-09-21 11:18:24,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:24,498 INFO L479 AbstractCegarLoop]: Abstraction has 1600 states and 1917 transitions. [2020-09-21 11:18:24,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:18:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 1917 transitions. [2020-09-21 11:18:24,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-09-21 11:18:24,502 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:24,502 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-09-21 11:18:24,502 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:18:24,503 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:24,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:24,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1999881567, now seen corresponding path program 1 times [2020-09-21 11:18:24,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:24,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737827056] [2020-09-21 11:18:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,571 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,572 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,572 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-09-21 11:18:24,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:24,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:18:24,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:18:24,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:24,849 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:24,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,857 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,857 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,857 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,886 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:24,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:24,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,889 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:24,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,893 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,893 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,894 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:24,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:24,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,898 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:24,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:24,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,917 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,917 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,935 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,935 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,935 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:24,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:18:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:24,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:24,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:24,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:24,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:18:24,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:24,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:18:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:24,981 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:24,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:24,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:24,982 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:24,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:18:24,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:24,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:24,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:18:24,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-09-21 11:18:24,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,004 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,004 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:25,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:25,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:18:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,032 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,032 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,033 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,033 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:25,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-09-21 11:18:25,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,048 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,049 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,049 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,049 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:25,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,059 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,059 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,059 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,060 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:25,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,067 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,068 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,068 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,068 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:25,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,074 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:25,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,079 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,079 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,079 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:25,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,084 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:25,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,089 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,090 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,090 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,094 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,094 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,095 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,095 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:18:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:25,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:18:25,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,108 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,108 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,108 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-21 11:18:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:25,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:18:25,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,121 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:25,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:25,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-21 11:18:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-21 11:18:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,131 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,131 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-21 11:18:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:25,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:25,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:25,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:25,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:25,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:18:25,164 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737827056] [2020-09-21 11:18:25,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:18:25,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:18:25,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692584876] [2020-09-21 11:18:25,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:18:25,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:25,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:18:25,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:18:25,166 INFO L87 Difference]: Start difference. First operand 1600 states and 1917 transitions. Second operand 10 states. [2020-09-21 11:18:25,628 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:26,427 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:29,169 INFO L93 Difference]: Finished difference Result 2770 states and 3372 transitions. [2020-09-21 11:18:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-21 11:18:29,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2020-09-21 11:18:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:29,178 INFO L225 Difference]: With dead ends: 2770 [2020-09-21 11:18:29,178 INFO L226 Difference]: Without dead ends: 1198 [2020-09-21 11:18:29,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-09-21 11:18:29,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-09-21 11:18:29,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1086. [2020-09-21 11:18:29,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1086 states. [2020-09-21 11:18:29,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1276 transitions. [2020-09-21 11:18:29,386 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1276 transitions. Word has length 158 [2020-09-21 11:18:29,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:29,386 INFO L479 AbstractCegarLoop]: Abstraction has 1086 states and 1276 transitions. [2020-09-21 11:18:29,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:18:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1276 transitions. [2020-09-21 11:18:29,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-09-21 11:18:29,392 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:29,393 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:18:29,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:18:29,393 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:29,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:29,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2020-09-21 11:18:29,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:29,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185246115] [2020-09-21 11:18:29,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:18:29,490 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -110 [2020-09-21 11:18:29,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 110 [2020-09-21 11:18:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 278 [2020-09-21 11:18:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-09-21 11:18:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,792 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:18:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,798 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,798 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,798 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:29,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:18:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,826 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:29,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:18:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,830 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,830 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,830 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,830 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,834 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,834 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,834 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,834 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:29,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:18:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,838 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,839 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,839 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,839 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:29,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:18:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,853 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:29,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:18:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,866 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,866 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,866 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:18:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,897 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,897 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:29,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:29,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-09-21 11:18:29,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,915 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,915 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,915 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,915 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:29,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,920 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,920 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,920 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,920 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:29,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:18:29,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:29,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:29,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:29,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:18:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,943 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,943 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-09-21 11:18:29,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:29,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:29,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-21 11:18:29,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:29,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:29,977 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:29,978 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:29,978 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:29,979 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:29,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-09-21 11:18:29,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:29,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:29,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:29,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:29,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:29,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:18:29,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:29,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,006 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 55 [2020-09-21 11:18:30,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:30,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-09-21 11:18:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,023 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,024 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,024 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:18:30,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,034 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:18:30,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:30,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:18:30,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,047 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,048 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-09-21 11:18:30,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-09-21 11:18:30,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,064 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,064 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:30,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,072 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:18:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,081 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,081 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,082 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:18:30,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:18:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-21 11:18:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,105 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:18:30,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:18:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-21 11:18:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,130 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,130 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,131 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,131 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:30,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:18:30,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:18:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:18:30,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:18:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:18:30,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:18:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:18:30,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-21 11:18:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,198 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,198 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-21 11:18:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,213 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-09-21 11:18:30,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-09-21 11:18:30,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,227 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,228 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-09-21 11:18:30,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,234 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-21 11:18:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,243 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-09-21 11:18:30,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,252 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,252 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,253 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,253 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-21 11:18:30,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:30,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:18:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,259 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:18:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-21 11:18:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,267 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,268 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:18:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:18:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,274 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,274 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:18:30,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:18:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:18:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-21 11:18:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,289 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,289 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:30,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-09-21 11:18:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:30,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:30,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:30,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:30,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:30,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:18:30,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:30,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:18:30,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:18:30,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:18:30,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:18:30,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:18:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-09-21 11:18:30,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185246115] [2020-09-21 11:18:30,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:18:30,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:18:30,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110667995] [2020-09-21 11:18:30,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:18:30,372 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:18:30,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:18:30,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:18:30,373 INFO L87 Difference]: Start difference. First operand 1086 states and 1276 transitions. Second operand 12 states. [2020-09-21 11:18:31,184 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-21 11:18:32,074 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:32,438 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:33,003 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:34,065 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:34,648 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:18:35,251 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:35,584 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:18:36,219 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-21 11:18:36,849 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:18:37,292 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:38,174 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:18:38,780 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:18:39,756 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-21 11:18:40,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:18:40,526 INFO L93 Difference]: Finished difference Result 2364 states and 2846 transitions. [2020-09-21 11:18:40,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-09-21 11:18:40,526 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2020-09-21 11:18:40,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:18:40,535 INFO L225 Difference]: With dead ends: 2364 [2020-09-21 11:18:40,535 INFO L226 Difference]: Without dead ends: 1425 [2020-09-21 11:18:40,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 76 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=526, Invalid=1544, Unknown=0, NotChecked=0, Total=2070 [2020-09-21 11:18:40,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-09-21 11:18:40,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1242. [2020-09-21 11:18:40,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1242 states. [2020-09-21 11:18:40,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1430 transitions. [2020-09-21 11:18:40,820 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1430 transitions. Word has length 195 [2020-09-21 11:18:40,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:18:40,820 INFO L479 AbstractCegarLoop]: Abstraction has 1242 states and 1430 transitions. [2020-09-21 11:18:40,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:18:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1430 transitions. [2020-09-21 11:18:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2020-09-21 11:18:40,828 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:18:40,829 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-21 11:18:40,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:18:40,829 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:18:40,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:18:40,830 INFO L82 PathProgramCache]: Analyzing trace with hash 905718191, now seen corresponding path program 1 times [2020-09-21 11:18:40,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:18:40,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [147437595] [2020-09-21 11:18:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:18:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:18:41,307 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:18:41,308 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:18:41,308 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:18:41,308 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:18:41,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 468 [2020-09-21 11:18:41,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 382 [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 315 [2020-09-21 11:18:41,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0