/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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-eb0fd7c [2020-09-21 11:15:42,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-21 11:15:42,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-21 11:15:42,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-21 11:15:42,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-21 11:15:42,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-21 11:15:42,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-21 11:15:42,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-21 11:15:42,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-21 11:15:42,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-21 11:15:42,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-21 11:15:42,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-21 11:15:42,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-21 11:15:42,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-21 11:15:42,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-21 11:15:42,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-21 11:15:42,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-21 11:15:42,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-21 11:15:42,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-21 11:15:42,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-21 11:15:42,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-21 11:15:42,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-21 11:15:42,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-21 11:15:42,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-21 11:15:42,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-21 11:15:42,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-21 11:15:42,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-21 11:15:42,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-21 11:15:42,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-21 11:15:42,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-21 11:15:42,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-21 11:15:42,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-21 11:15:42,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-21 11:15:42,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-21 11:15:42,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-21 11:15:42,913 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-21 11:15:42,914 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-21 11:15:42,914 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-21 11:15:42,914 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-21 11:15:42,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-21 11:15:42,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-21 11:15:42,918 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 11:15:42,953 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-21 11:15:42,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-21 11:15:42,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-21 11:15:42,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-21 11:15:42,955 INFO L138 SettingsManager]: * Use SBE=true [2020-09-21 11:15:42,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-21 11:15:42,955 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-21 11:15:42,955 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-21 11:15:42,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-21 11:15:42,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-21 11:15:42,956 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-21 11:15:42,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-21 11:15:42,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-21 11:15:42,957 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-21 11:15:42,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-21 11:15:42,957 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-21 11:15:42,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-21 11:15:42,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-21 11:15:42,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-21 11:15:42,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-21 11:15:42,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-21 11:15:42,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-21 11:15:42,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-21 11:15:42,959 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-21 11:15:42,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-21 11:15:42,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-21 11:15:42,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-21 11:15:42,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-21 11:15:42,960 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-21 11:15:42,960 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 11:15:43,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-21 11:15:43,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-21 11:15:43,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-21 11:15:43,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-21 11:15:43,487 INFO L275 PluginConnector]: CDTParser initialized [2020-09-21 11:15:43,488 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-21 11:15:43,580 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d147c4e9/5f1fa4e966234c77bfa611e9a7ea8a7a/FLAG5ec6bec93 [2020-09-21 11:15:44,215 INFO L306 CDTParser]: Found 1 translation units. [2020-09-21 11:15:44,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product35.cil.c [2020-09-21 11:15:44,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d147c4e9/5f1fa4e966234c77bfa611e9a7ea8a7a/FLAG5ec6bec93 [2020-09-21 11:15:44,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0d147c4e9/5f1fa4e966234c77bfa611e9a7ea8a7a [2020-09-21 11:15:44,461 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-21 11:15:44,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-21 11:15:44,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:44,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-21 11:15:44,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-21 11:15:44,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:44" (1/1) ... [2020-09-21 11:15:44,477 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 11:15:44, skipping insertion in model container [2020-09-21 11:15:44,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 11:15:44" (1/1) ... [2020-09-21 11:15:44,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-21 11:15:44,542 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-21 11:15:44,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:45,054 INFO L203 MainTranslator]: Completed pre-run [2020-09-21 11:15:45,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-21 11:15:45,189 INFO L208 MainTranslator]: Completed translation [2020-09-21 11:15:45,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45 WrapperNode [2020-09-21 11:15:45,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-21 11:15:45,190 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-21 11:15:45,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-21 11:15:45,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-21 11:15:45,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (1/1) ... [2020-09-21 11:15:45,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-21 11:15:45,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-21 11:15:45,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-21 11:15:45,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-21 11:15:45,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (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 11:15:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-21 11:15:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-21 11:15:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-21 11:15:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-21 11:15:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-21 11:15:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-21 11:15:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-21 11:15:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-21 11:15:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:45,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-21 11:15:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-21 11:15:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-21 11:15:45,364 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-21 11:15:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-21 11:15:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-21 11:15:45,365 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-21 11:15:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-21 11:15:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-21 11:15:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-21 11:15:45,368 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-21 11:15:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-21 11:15:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-21 11:15:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-21 11:15:45,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-21 11:15:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-21 11:15:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-21 11:15:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-21 11:15:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-21 11:15:45,371 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-21 11:15:45,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:45,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-21 11:15:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-21 11:15:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-21 11:15:45,373 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-21 11:15:45,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-21 11:15:45,375 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-21 11:15:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-21 11:15:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-21 11:15:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-21 11:15:45,376 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-21 11:15:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-21 11:15:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-21 11:15:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-21 11:15:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-21 11:15:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-21 11:15:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-21 11:15:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-21 11:15:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-21 11:15:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-21 11:15:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-21 11:15:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-21 11:15:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-21 11:15:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-21 11:15:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-21 11:15:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-21 11:15:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-21 11:15:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-21 11:15:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-21 11:15:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-21 11:15:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-21 11:15:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-21 11:15:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-21 11:15:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-21 11:15:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-21 11:15:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-21 11:15:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-21 11:15:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-21 11:15:46,444 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-21 11:15:46,444 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-21 11:15:46,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:46 BoogieIcfgContainer [2020-09-21 11:15:46,451 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-21 11:15:46,452 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-21 11:15:46,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-21 11:15:46,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-21 11:15:46,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 11:15:44" (1/3) ... [2020-09-21 11:15:46,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f78fcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:46, skipping insertion in model container [2020-09-21 11:15:46,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 11:15:45" (2/3) ... [2020-09-21 11:15:46,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f78fcf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 11:15:46, skipping insertion in model container [2020-09-21 11:15:46,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 11:15:46" (3/3) ... [2020-09-21 11:15:46,460 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product35.cil.c [2020-09-21 11:15:46,472 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-21 11:15:46,482 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-21 11:15:46,505 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-21 11:15:46,537 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-21 11:15:46,537 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-21 11:15:46,537 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-21 11:15:46,538 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-21 11:15:46,538 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-21 11:15:46,538 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-21 11:15:46,538 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-21 11:15:46,538 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-21 11:15:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2020-09-21 11:15:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-09-21 11:15:46,577 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:46,578 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 11:15:46,579 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:46,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:46,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1963515353, now seen corresponding path program 1 times [2020-09-21 11:15:46,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:46,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4250416] [2020-09-21 11:15:46,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:46,948 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:46,948 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:46,949 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:46,949 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:46,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-09-21 11:15:46,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:46,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-21 11:15:46,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:46,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 49 [2020-09-21 11:15:46,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:46,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:47,367 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,481 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,482 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,482 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:47,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,488 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,488 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,489 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,489 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,495 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,495 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,495 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,496 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,502 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:47,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,517 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,517 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:15:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,525 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,525 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,525 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:47,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:47,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,533 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,533 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:47,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-09-21 11:15:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,542 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:47,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-21 11:15:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:47,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:47,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:47,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:47,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:47,593 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 11:15:47,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4250416] [2020-09-21 11:15:47,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:47,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-21 11:15:47,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957032446] [2020-09-21 11:15:47,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-21 11:15:47,606 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:47,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-21 11:15:47,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-21 11:15:47,626 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 4 states. [2020-09-21 11:15:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:48,693 INFO L93 Difference]: Finished difference Result 276 states and 357 transitions. [2020-09-21 11:15:48,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-21 11:15:48,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-09-21 11:15:48,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:48,714 INFO L225 Difference]: With dead ends: 276 [2020-09-21 11:15:48,714 INFO L226 Difference]: Without dead ends: 153 [2020-09-21 11:15:48,719 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 11:15:48,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-09-21 11:15:48,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 124. [2020-09-21 11:15:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-09-21 11:15:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-09-21 11:15:48,815 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2020-09-21 11:15:48,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:48,815 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-09-21 11:15:48,815 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-21 11:15:48,816 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-09-21 11:15:48,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-21 11:15:48,820 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:48,820 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] [2020-09-21 11:15:48,820 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-21 11:15:48,821 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:48,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:48,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002156, now seen corresponding path program 1 times [2020-09-21 11:15:48,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:48,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661169163] [2020-09-21 11:15:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,222 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:15:49,222 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,222 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,223 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-09-21 11:15:49,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-09-21 11:15:49,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-21 11:15:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:49,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-21 11:15:49,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,566 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:49,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,643 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,643 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,643 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,644 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-09-21 11:15:49,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:49,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,688 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,689 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,689 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,689 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:49,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:49,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,695 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,695 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,695 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,695 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:49,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:49,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,702 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,702 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,702 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,702 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:49,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:49,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,710 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:49,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:49,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,725 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,725 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,726 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:49,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,733 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:49,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:49,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,739 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,740 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,740 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:49,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:49,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-09-21 11:15:49,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,745 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,746 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,746 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,746 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:49,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:49,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:49,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:49,752 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:49,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:49,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:49,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:49,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:49,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:49,765 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 11:15:49,765 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661169163] [2020-09-21 11:15:49,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:49,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-21 11:15:49,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610289945] [2020-09-21 11:15:49,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-21 11:15:49,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:49,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-21 11:15:49,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-21 11:15:49,769 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 5 states. [2020-09-21 11:15:50,152 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:51,745 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-09-21 11:15:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-21 11:15:51,746 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-09-21 11:15:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:51,751 INFO L225 Difference]: With dead ends: 351 [2020-09-21 11:15:51,751 INFO L226 Difference]: Without dead ends: 255 [2020-09-21 11:15:51,753 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 11:15:51,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-09-21 11:15:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 208. [2020-09-21 11:15:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-09-21 11:15:51,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 249 transitions. [2020-09-21 11:15:51,812 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 249 transitions. Word has length 64 [2020-09-21 11:15:51,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:51,812 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 249 transitions. [2020-09-21 11:15:51,812 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-21 11:15:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 249 transitions. [2020-09-21 11:15:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-21 11:15:51,816 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:51,816 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] [2020-09-21 11:15:51,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-21 11:15:51,817 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:51,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:51,817 INFO L82 PathProgramCache]: Analyzing trace with hash -230097776, now seen corresponding path program 1 times [2020-09-21 11:15:51,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:51,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1707094303] [2020-09-21 11:15:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:51,868 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:51,868 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-09-21 11:15:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:15:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,199 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:52,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,211 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,211 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,249 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,249 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,249 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:52,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,255 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,256 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,256 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:52,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:15:52,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,262 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,262 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,262 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,263 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,268 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,268 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,268 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,269 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:52,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:15:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,288 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,288 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,289 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,289 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:52,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:52,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,295 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,296 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,296 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:15:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,318 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,319 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:52,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:15:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,324 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,324 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:52,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-09-21 11:15:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,329 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:52,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-21 11:15:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:52,334 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:52,335 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:52,335 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:52,335 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:52,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:52,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:52,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:52,350 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 11:15:52,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1707094303] [2020-09-21 11:15:52,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:52,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-21 11:15:52,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343086856] [2020-09-21 11:15:52,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-21 11:15:52,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:52,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-21 11:15:52,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-21 11:15:52,353 INFO L87 Difference]: Start difference. First operand 208 states and 249 transitions. Second operand 6 states. [2020-09-21 11:15:52,904 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:53,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:53,924 INFO L93 Difference]: Finished difference Result 394 states and 503 transitions. [2020-09-21 11:15:53,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-21 11:15:53,926 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-09-21 11:15:53,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:53,930 INFO L225 Difference]: With dead ends: 394 [2020-09-21 11:15:53,930 INFO L226 Difference]: Without dead ends: 259 [2020-09-21 11:15:53,932 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-21 11:15:53,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-09-21 11:15:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 190. [2020-09-21 11:15:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2020-09-21 11:15:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2020-09-21 11:15:53,981 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 68 [2020-09-21 11:15:53,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:53,981 INFO L479 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2020-09-21 11:15:53,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-21 11:15:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2020-09-21 11:15:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-09-21 11:15:53,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:53,984 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 11:15:53,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-21 11:15:53,985 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:53,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:53,985 INFO L82 PathProgramCache]: Analyzing trace with hash -601082987, now seen corresponding path program 1 times [2020-09-21 11:15:53,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:53,985 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1548747352] [2020-09-21 11:15:53,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:54,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:54,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:54,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:54,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 402 [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-09-21 11:15:54,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-21 11:15:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:54,899 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:15:54,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,027 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-09-21 11:15:55,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:55,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:15:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,102 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,102 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,103 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,103 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:55,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:55,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:55,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:15:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,111 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,111 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,111 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:55,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:55,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:15:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:15:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:15:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,127 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,127 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:15:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:55,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:15:55,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:15:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,146 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,146 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,147 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,147 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:55,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:15:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,177 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,177 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,178 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,178 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:15:55,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:15:55,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:15:55,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-09-21 11:15:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:15:55,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:15:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:15:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,197 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,197 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,197 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,197 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:15:55,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:15:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-09-21 11:15:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,206 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,206 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,206 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,206 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:15:55,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:15:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:55,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-09-21 11:15:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:55,225 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:55,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:55,226 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:55,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:55,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:15:55,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:55,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:15:55,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:55,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:15:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:15:55,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:15:55,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:15:55,266 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 11:15:55,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1548747352] [2020-09-21 11:15:55,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:15:55,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:15:55,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051226808] [2020-09-21 11:15:55,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:15:55,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:15:55,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:15:55,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:15:55,274 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 9 states. [2020-09-21 11:15:55,829 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:56,621 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:57,590 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:15:57,997 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:15:58,621 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:58,986 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:15:59,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:15:59,376 INFO L93 Difference]: Finished difference Result 520 states and 670 transitions. [2020-09-21 11:15:59,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-21 11:15:59,377 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 70 [2020-09-21 11:15:59,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:15:59,384 INFO L225 Difference]: With dead ends: 520 [2020-09-21 11:15:59,384 INFO L226 Difference]: Without dead ends: 358 [2020-09-21 11:15:59,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-09-21 11:15:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2020-09-21 11:15:59,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 302. [2020-09-21 11:15:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-21 11:15:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 363 transitions. [2020-09-21 11:15:59,452 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 363 transitions. Word has length 70 [2020-09-21 11:15:59,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:15:59,452 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 363 transitions. [2020-09-21 11:15:59,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:15:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 363 transitions. [2020-09-21 11:15:59,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:15:59,455 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:15:59,455 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] [2020-09-21 11:15:59,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-21 11:15:59,455 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:15:59,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:15:59,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1418290782, now seen corresponding path program 1 times [2020-09-21 11:15:59,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:15:59,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1073132839] [2020-09-21 11:15:59,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:15:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:15:59,754 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:15:59,755 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:15:59,755 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:15:59,755 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:15:59,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:15:59,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:15:59,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 251 [2020-09-21 11:15:59,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:15:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-21 11:15:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:15:59,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-09-21 11:15:59,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,160 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:00,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,244 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,244 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,245 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,245 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-21 11:16:00,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:00,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:00,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,301 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:00,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,310 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,319 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,319 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,320 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,320 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:00,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:00,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,342 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,343 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,351 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,352 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,352 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:00,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:00,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,359 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,359 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,359 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,360 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,385 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,385 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,385 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:00,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,403 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,403 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:00,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:00,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:00,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-21 11:16:00,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:00,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:00,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,484 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,485 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:16:00,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,494 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,494 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,494 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:00,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:00,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:00,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:00,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:00,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:00,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:00,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:00,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:00,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:00,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:00,521 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 11:16:00,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1073132839] [2020-09-21 11:16:00,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:00,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:00,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465935284] [2020-09-21 11:16:00,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:00,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:00,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:00,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:00,524 INFO L87 Difference]: Start difference. First operand 302 states and 363 transitions. Second operand 9 states. [2020-09-21 11:16:01,037 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:02,194 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:02,504 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:02,899 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:03,222 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:04,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:04,433 INFO L93 Difference]: Finished difference Result 930 states and 1242 transitions. [2020-09-21 11:16:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-21 11:16:04,434 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-09-21 11:16:04,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:04,439 INFO L225 Difference]: With dead ends: 930 [2020-09-21 11:16:04,439 INFO L226 Difference]: Without dead ends: 656 [2020-09-21 11:16:04,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-09-21 11:16:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2020-09-21 11:16:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 563. [2020-09-21 11:16:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-09-21 11:16:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 681 transitions. [2020-09-21 11:16:04,564 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 681 transitions. Word has length 87 [2020-09-21 11:16:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:04,565 INFO L479 AbstractCegarLoop]: Abstraction has 563 states and 681 transitions. [2020-09-21 11:16:04,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 681 transitions. [2020-09-21 11:16:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:16:04,567 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:04,567 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] [2020-09-21 11:16:04,568 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-21 11:16:04,568 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:04,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:04,568 INFO L82 PathProgramCache]: Analyzing trace with hash 765386145, now seen corresponding path program 1 times [2020-09-21 11:16:04,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:04,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047016654] [2020-09-21 11:16:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,663 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-21 11:16:04,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:04,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:04,935 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:04,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:04,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:04,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:04,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:04,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:04,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:04,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:04,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:04,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:04,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,980 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:04,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:04,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:04,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:04,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,984 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,984 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,985 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,985 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:04,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:04,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:04,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:04,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:04,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:04,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:04,989 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:04,989 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:04,989 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:04,989 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:04,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:04,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:04,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,004 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,004 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,005 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,005 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,009 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,009 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,009 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,010 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:05,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:05,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,014 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,035 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:05,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:05,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-21 11:16:05,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-21 11:16:05,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,099 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:05,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:05,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-21 11:16:05,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,137 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,137 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,138 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,138 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:05,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:05,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,143 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,143 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:16:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:05,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:05,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:05,154 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:05,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:05,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:05,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:05,167 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 11:16:05,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047016654] [2020-09-21 11:16:05,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:05,168 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-21 11:16:05,168 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755746889] [2020-09-21 11:16:05,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-21 11:16:05,169 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:05,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-21 11:16:05,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-21 11:16:05,170 INFO L87 Difference]: Start difference. First operand 563 states and 681 transitions. Second operand 9 states. [2020-09-21 11:16:06,400 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:06,738 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:07,107 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:07,427 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:08,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:08,093 INFO L93 Difference]: Finished difference Result 1196 states and 1522 transitions. [2020-09-21 11:16:08,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-21 11:16:08,096 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-09-21 11:16:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:08,103 INFO L225 Difference]: With dead ends: 1196 [2020-09-21 11:16:08,103 INFO L226 Difference]: Without dead ends: 661 [2020-09-21 11:16:08,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 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 11:16:08,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2020-09-21 11:16:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 583. [2020-09-21 11:16:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2020-09-21 11:16:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 701 transitions. [2020-09-21 11:16:08,200 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 701 transitions. Word has length 87 [2020-09-21 11:16:08,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:08,200 INFO L479 AbstractCegarLoop]: Abstraction has 583 states and 701 transitions. [2020-09-21 11:16:08,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-21 11:16:08,200 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 701 transitions. [2020-09-21 11:16:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-09-21 11:16:08,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:08,203 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] [2020-09-21 11:16:08,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-21 11:16:08,203 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:08,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:08,204 INFO L82 PathProgramCache]: Analyzing trace with hash -2143377757, now seen corresponding path program 1 times [2020-09-21 11:16:08,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:08,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1396217134] [2020-09-21 11:16:08,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:08,256 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -61 [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 61 [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:08,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-09-21 11:16:08,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,513 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:08,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,522 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,522 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,551 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,551 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,551 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:08,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:08,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,563 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,586 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,586 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-21 11:16:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,591 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,591 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:08,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:08,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,598 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,599 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,599 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-21 11:16:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,618 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-21 11:16:08,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-21 11:16:08,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:08,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-21 11:16:08,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,634 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:08,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-21 11:16:08,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-21 11:16:08,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:08,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,656 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,657 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:08,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:08,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:08,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:08,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,680 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,680 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-21 11:16:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:08,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-21 11:16:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-09-21 11:16:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,722 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,722 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:08,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:08,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-21 11:16:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:08,726 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:08,726 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:08,726 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:08,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:08,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:08,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:08,739 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 11:16:08,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1396217134] [2020-09-21 11:16:08,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:08,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-21 11:16:08,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826525328] [2020-09-21 11:16:08,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-21 11:16:08,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:08,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-21 11:16:08,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-09-21 11:16:08,752 INFO L87 Difference]: Start difference. First operand 583 states and 701 transitions. Second operand 8 states. [2020-09-21 11:16:09,705 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:10,043 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:10,348 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:11,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:11,027 INFO L93 Difference]: Finished difference Result 1074 states and 1355 transitions. [2020-09-21 11:16:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-21 11:16:11,027 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 87 [2020-09-21 11:16:11,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:11,033 INFO L225 Difference]: With dead ends: 1074 [2020-09-21 11:16:11,033 INFO L226 Difference]: Without dead ends: 519 [2020-09-21 11:16:11,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:11,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-21 11:16:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 458. [2020-09-21 11:16:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2020-09-21 11:16:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 534 transitions. [2020-09-21 11:16:11,144 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 534 transitions. Word has length 87 [2020-09-21 11:16:11,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:11,144 INFO L479 AbstractCegarLoop]: Abstraction has 458 states and 534 transitions. [2020-09-21 11:16:11,144 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-21 11:16:11,144 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 534 transitions. [2020-09-21 11:16:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-09-21 11:16:11,147 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:11,147 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] [2020-09-21 11:16:11,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-21 11:16:11,148 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:11,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:11,148 INFO L82 PathProgramCache]: Analyzing trace with hash 858193610, now seen corresponding path program 1 times [2020-09-21 11:16:11,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:11,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653275496] [2020-09-21 11:16:11,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:11,609 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:11,609 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:11,609 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:11,610 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:11,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-09-21 11:16:11,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:11,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 383 [2020-09-21 11:16:11,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-21 11:16:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:11,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-09-21 11:16:11,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:11,938 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:11,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:11,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:11,995 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:11,995 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:11,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:11,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:11,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-21 11:16:11,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:11,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:11,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:11,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:11,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,029 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,029 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,030 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,030 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,040 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,046 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,046 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,046 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,047 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:12,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:12,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,066 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,066 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,088 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:12,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-21 11:16:12,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-21 11:16:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,133 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,133 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,139 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,140 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-21 11:16:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,161 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,161 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,161 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,161 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:12,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,169 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:12,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,180 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,180 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-09-21 11:16:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,189 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:12,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-21 11:16:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-09-21 11:16:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:12,207 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:12,207 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:12,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:12,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:12,221 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 11:16:12,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653275496] [2020-09-21 11:16:12,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:12,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-21 11:16:12,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008818845] [2020-09-21 11:16:12,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:12,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:12,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:12,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:12,224 INFO L87 Difference]: Start difference. First operand 458 states and 534 transitions. Second operand 12 states. [2020-09-21 11:16:12,797 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:13,550 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:14,442 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:14,845 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:15,150 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:15,503 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:15,841 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:17,410 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:17,794 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:18,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:18,493 INFO L93 Difference]: Finished difference Result 1357 states and 1722 transitions. [2020-09-21 11:16:18,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-21 11:16:18,493 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 91 [2020-09-21 11:16:18,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:18,500 INFO L225 Difference]: With dead ends: 1357 [2020-09-21 11:16:18,501 INFO L226 Difference]: Without dead ends: 1058 [2020-09-21 11:16:18,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=306, Invalid=1026, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-09-21 11:16:18,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 964. [2020-09-21 11:16:18,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 964 states. [2020-09-21 11:16:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1132 transitions. [2020-09-21 11:16:18,686 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1132 transitions. Word has length 91 [2020-09-21 11:16:18,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:18,689 INFO L479 AbstractCegarLoop]: Abstraction has 964 states and 1132 transitions. [2020-09-21 11:16:18,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:18,689 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1132 transitions. [2020-09-21 11:16:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-21 11:16:18,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:18,694 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:18,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-21 11:16:18,694 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:18,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:18,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1610034481, now seen corresponding path program 1 times [2020-09-21 11:16:18,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:18,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85126948] [2020-09-21 11:16:18,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:18,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:18,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 68 [2020-09-21 11:16:18,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-09-21 11:16:18,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,130 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:19,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,169 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,169 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,170 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,170 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,176 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,187 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,187 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,188 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:19,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,213 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,213 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,214 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,214 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,230 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,233 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:19,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-09-21 11:16:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,259 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:19,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:19,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-21 11:16:19,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-21 11:16:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,299 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,299 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,300 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-21 11:16:19,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-21 11:16:19,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-09-21 11:16:19,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,342 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,343 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:19,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:19,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,351 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,376 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,376 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,377 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,377 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:19,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:19,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:19,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-21 11:16:19,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,386 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,387 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,387 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,387 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:19,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,395 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,395 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,396 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,396 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:19,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,409 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-21 11:16:19,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,418 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,418 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:19,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:19,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:19,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,425 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,425 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:19,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-09-21 11:16:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-21 11:16:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,444 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,444 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,445 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,445 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:19,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:19,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-09-21 11:16:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,451 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,452 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:19,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:19,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-21 11:16:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,456 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,456 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,456 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,457 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:19,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:19,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-21 11:16:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:19,461 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:19,461 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:19,461 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:19,461 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:19,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:19,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:19,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-21 11:16:19,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:19,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-21 11:16:19,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:19,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-09-21 11:16:19,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85126948] [2020-09-21 11:16:19,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-21 11:16:19,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-21 11:16:19,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705466725] [2020-09-21 11:16:19,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-21 11:16:19,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:19,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-21 11:16:19,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-09-21 11:16:19,486 INFO L87 Difference]: Start difference. First operand 964 states and 1132 transitions. Second operand 10 states. [2020-09-21 11:16:19,893 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:20,726 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:22,447 INFO L93 Difference]: Finished difference Result 1264 states and 1521 transitions. [2020-09-21 11:16:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-21 11:16:22,448 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2020-09-21 11:16:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:22,452 INFO L225 Difference]: With dead ends: 1264 [2020-09-21 11:16:22,452 INFO L226 Difference]: Without dead ends: 517 [2020-09-21 11:16:22,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=164, Invalid=486, Unknown=0, NotChecked=0, Total=650 [2020-09-21 11:16:22,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-09-21 11:16:22,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 474. [2020-09-21 11:16:22,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-09-21 11:16:22,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 544 transitions. [2020-09-21 11:16:22,545 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 544 transitions. Word has length 132 [2020-09-21 11:16:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:22,547 INFO L479 AbstractCegarLoop]: Abstraction has 474 states and 544 transitions. [2020-09-21 11:16:22,547 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-21 11:16:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 544 transitions. [2020-09-21 11:16:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-09-21 11:16:22,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-21 11:16:22,549 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:16:22,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-21 11:16:22,550 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-21 11:16:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-21 11:16:22,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1244109311, now seen corresponding path program 1 times [2020-09-21 11:16:22,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-21 11:16:22,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1603329644] [2020-09-21 11:16:22,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-21 11:16:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,627 FATAL L256 erpolLogProxyWrapper]: Difference in size: 4 [2020-09-21 11:16:22,628 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -80 [2020-09-21 11:16:22,628 FATAL L256 erpolLogProxyWrapper]: Difference in width: 80 [2020-09-21 11:16:22,628 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-09-21 11:16:22,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-09-21 11:16:22,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:22,950 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:22,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:22,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-09-21 11:16:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:22,995 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:22,995 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:22,996 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:22,996 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:22,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:22,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:22,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:22,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:22,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:22,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-21 11:16:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,001 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,002 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-21 11:16:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,007 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,008 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,008 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-21 11:16:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,015 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,016 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,016 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,016 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-09-21 11:16:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:23,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-21 11:16:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,055 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,055 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,055 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,056 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-09-21 11:16:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,091 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 67 [2020-09-21 11:16:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-09-21 11:16:23,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,114 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,116 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,123 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,123 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,123 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,124 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-21 11:16:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,151 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-09-21 11:16:23,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:23,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-21 11:16:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-21 11:16:23,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,172 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,173 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,173 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,173 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-21 11:16:23,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-09-21 11:16:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,182 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,182 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-21 11:16:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-21 11:16:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,193 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,193 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,193 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,193 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-21 11:16:23,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-21 11:16:23,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-21 11:16:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-21 11:16:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,199 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-21 11:16:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,218 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,218 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,219 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,219 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:23,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-21 11:16:23,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-21 11:16:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:23,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-21 11:16:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,282 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-21 11:16:23,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-21 11:16:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-21 11:16:23,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-21 11:16:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,305 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,306 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,306 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,306 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-21 11:16:23,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-09-21 11:16:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,314 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,314 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,314 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,315 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-21 11:16:23,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-21 11:16:23,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-21 11:16:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,321 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,321 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,322 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,322 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-21 11:16:23,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-21 11:16:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-21 11:16:23,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-09-21 11:16:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,328 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,329 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,329 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,329 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-21 11:16:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-21 11:16:23,336 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-21 11:16:23,337 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-21 11:16:23,337 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-21 11:16:23,337 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-21 11:16:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-21 11:16:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-21 11:16:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-21 11:16:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-21 11:16:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-21 11:16:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-21 11:16:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-21 11:16:23,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-21 11:16:23,381 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-21 11:16:23,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1603329644] [2020-09-21 11:16:23,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-21 11:16:23,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-09-21 11:16:23,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931551689] [2020-09-21 11:16:23,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-21 11:16:23,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-21 11:16:23,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-21 11:16:23,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-09-21 11:16:23,385 INFO L87 Difference]: Start difference. First operand 474 states and 544 transitions. Second operand 12 states. [2020-09-21 11:16:24,081 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:24,877 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:25,199 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:25,859 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-21 11:16:26,240 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:26,959 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-21 11:16:27,291 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:27,902 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-21 11:16:28,265 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:28,781 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:29,585 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-21 11:16:29,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-21 11:16:29,759 INFO L93 Difference]: Finished difference Result 768 states and 911 transitions. [2020-09-21 11:16:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-09-21 11:16:29,764 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 134 [2020-09-21 11:16:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-21 11:16:29,765 INFO L225 Difference]: With dead ends: 768 [2020-09-21 11:16:29,765 INFO L226 Difference]: Without dead ends: 0 [2020-09-21 11:16:29,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=353, Invalid=979, Unknown=0, NotChecked=0, Total=1332 [2020-09-21 11:16:29,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-21 11:16:29,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-21 11:16:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-21 11:16:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-21 11:16:29,770 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2020-09-21 11:16:29,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-21 11:16:29,770 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-21 11:16:29,770 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-21 11:16:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-21 11:16:29,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-21 11:16:29,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-21 11:16:29,773 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-21 11:16:30,038 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:30,229 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-21 11:16:30,409 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:30,592 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:30,761 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:30,959 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:31,142 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-21 11:16:31,322 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:33,152 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 278 DAG size of output: 246 [2020-09-21 11:16:33,337 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:33,508 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:33,678 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:33,852 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-21 11:16:34,021 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:34,205 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:34,367 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:34,529 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:34,701 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:34,856 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:35,014 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:35,187 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-21 11:16:35,350 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:35,507 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:35,670 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:35,816 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-21 11:16:36,183 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-21 11:16:36,502 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-21 11:16:36,815 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-09-21 11:16:36,986 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:37,152 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,309 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,466 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,619 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-21 11:16:37,779 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:37,942 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:38,114 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-21 11:16:38,282 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-21 11:16:38,444 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-21 11:16:38,607 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-21 11:16:38,777 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-21 11:16:38,945 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-21 11:16:39,108 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 195