/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options 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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:52:50,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:52:50,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:52:50,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:52:50,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:52:50,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:52:50,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:52:50,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:52:50,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:52:50,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:52:50,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:52:50,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:52:50,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:52:50,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:52:50,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:52:50,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:52:50,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:52:50,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:52:50,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:52:50,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:52:50,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:52:50,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:52:50,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:52:50,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:52:50,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:52:50,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:52:50,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:52:50,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:52:50,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:52:50,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:52:50,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:52:50,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:52:50,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:52:50,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:52:50,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:52:50,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:52:50,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:52:50,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:52:50,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:52:50,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:52:50,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:52:50,120 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 [2020-09-24 15:52:50,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:52:50,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:52:50,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:52:50,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:52:50,187 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:52:50,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:52:50,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:52:50,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:52:50,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:52:50,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:52:50,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:52:50,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:52:50,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:52:50,189 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:52:50,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:52:50,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:52:50,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:52:50,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:52:50,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:52:50,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:52:50,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:52:50,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:52:50,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:52:50,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:52:50,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:52:50,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:52:50,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:52:50,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:52:50,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:52:50,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;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; [2020-09-24 15:52:50,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:52:50,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:52:50,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:52:50,712 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:52:50,714 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:52:50,715 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-24 15:52:50,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cf45ec89/13dd26985f5a4469bdb5c025daf73547/FLAG4db180363 [2020-09-24 15:52:51,460 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:52:51,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product33.cil.c [2020-09-24 15:52:51,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cf45ec89/13dd26985f5a4469bdb5c025daf73547/FLAG4db180363 [2020-09-24 15:52:51,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5cf45ec89/13dd26985f5a4469bdb5c025daf73547 [2020-09-24 15:52:51,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:52:51,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:52:51,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:51,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:52:51,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:52:51,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:51" (1/1) ... [2020-09-24 15:52:51,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559d5a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:51, skipping insertion in model container [2020-09-24 15:52:51,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:52:51" (1/1) ... [2020-09-24 15:52:51,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:52:51,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:52:52,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:52,284 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:52:52,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:52:52,406 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:52:52,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52 WrapperNode [2020-09-24 15:52:52,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:52:52,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:52:52,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:52:52,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:52:52,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (1/1) ... [2020-09-24 15:52:52,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:52:52,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:52:52,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:52:52,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:52:52,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (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 [2020-09-24 15:52:52,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:52:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:52:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:52,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:52,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:52:52,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:52:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:52:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:52:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:52:52,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:52:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:52:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:52:52,627 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:52:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:52:52,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:52:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:52:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:52:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:52:52,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:52:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:52:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:52:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:52:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:52:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:52:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:52:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:52:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:52:52,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:52:52,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:52,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:52:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:52:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:52:52,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:52:52,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:52:52,636 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:52:52,637 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:52:52,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:52:52,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:52:52,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:52:52,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:52:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:52:53,820 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:52:53,821 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:52:53,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:53 BoogieIcfgContainer [2020-09-24 15:52:53,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:52:53,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:52:53,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:52:53,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:52:53,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:52:51" (1/3) ... [2020-09-24 15:52:53,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161125fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:53, skipping insertion in model container [2020-09-24 15:52:53,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:52:52" (2/3) ... [2020-09-24 15:52:53,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161125fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:52:53, skipping insertion in model container [2020-09-24 15:52:53,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:52:53" (3/3) ... [2020-09-24 15:52:53,843 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33.cil.c [2020-09-24 15:52:53,855 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:52:53,867 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:52:53,888 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:52:53,917 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:52:53,917 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:52:53,917 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:52:53,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:52:53,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:52:53,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:52:53,917 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:52:53,917 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:52:53,941 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states. [2020-09-24 15:52:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:52:53,960 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:53,961 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:53,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:53,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1855283270, now seen corresponding path program 1 times [2020-09-24 15:52:53,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:53,979 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814049102] [2020-09-24 15:52:53,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:54,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:54,358 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:54,361 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:54,361 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:54,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 15:52:54,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:54,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 15:52:54,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:54,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 136 [2020-09-24 15:52:54,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:54,850 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:54,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:54,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:54,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:54,891 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:54,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:54,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:54,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:54,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:54,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:54,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:54,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:54,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 15:52:55,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,016 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,017 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,017 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,017 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,026 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,026 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,026 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,033 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,033 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,034 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,034 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:55,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,041 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,042 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,042 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,042 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:55,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:55,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:52:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,070 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,071 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,071 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,071 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:55,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:55,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:55,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,083 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,084 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,084 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,084 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:55,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:55,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 15:52:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,097 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,101 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,102 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:52:55,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:55,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:55,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:52:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:55,110 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:55,110 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:55,111 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:55,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:55,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:55,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:55,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:52:55,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:55,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:55,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:52:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:55,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814049102] [2020-09-24 15:52:55,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:55,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:52:55,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58638317] [2020-09-24 15:52:55,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:52:55,174 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:55,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:52:55,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:52:55,195 INFO L87 Difference]: Start difference. First operand 291 states. Second operand 4 states. [2020-09-24 15:52:56,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:56,227 INFO L93 Difference]: Finished difference Result 437 states and 514 transitions. [2020-09-24 15:52:56,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 15:52:56,229 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-24 15:52:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:56,249 INFO L225 Difference]: With dead ends: 437 [2020-09-24 15:52:56,249 INFO L226 Difference]: Without dead ends: 282 [2020-09-24 15:52:56,255 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 [2020-09-24 15:52:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-24 15:52:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240. [2020-09-24 15:52:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-24 15:52:56,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 260 transitions. [2020-09-24 15:52:56,377 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 260 transitions. Word has length 160 [2020-09-24 15:52:56,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:56,378 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 260 transitions. [2020-09-24 15:52:56,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:52:56,378 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 260 transitions. [2020-09-24 15:52:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:52:56,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:56,385 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:56,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:52:56,386 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:56,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:56,386 INFO L82 PathProgramCache]: Analyzing trace with hash 494679854, now seen corresponding path program 1 times [2020-09-24 15:52:56,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:56,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308553780] [2020-09-24 15:52:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,467 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,468 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,468 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,468 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 198 [2020-09-24 15:52:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:52:56,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 15:52:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:52:56,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,826 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:56,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,846 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,847 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,847 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:56,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:52:56,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,906 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,907 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,907 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,907 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:56,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,911 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,911 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,911 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,911 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:56,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:56,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,923 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,923 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:52:56,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:56,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:52:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,946 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:56,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:52:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,954 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,954 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:56,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:56,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:52:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,959 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:56,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:56,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:56,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:56,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:52:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:56,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:56,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:56,976 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:56,976 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:56,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:56,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:56,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:57,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308553780] [2020-09-24 15:52:57,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:57,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:52:57,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570790120] [2020-09-24 15:52:57,014 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:52:57,014 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:57,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:52:57,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:52:57,015 INFO L87 Difference]: Start difference. First operand 240 states and 260 transitions. Second operand 5 states. [2020-09-24 15:52:57,761 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:52:58,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:52:58,497 INFO L93 Difference]: Finished difference Result 366 states and 410 transitions. [2020-09-24 15:52:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:52:58,498 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-24 15:52:58,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:52:58,502 INFO L225 Difference]: With dead ends: 366 [2020-09-24 15:52:58,502 INFO L226 Difference]: Without dead ends: 271 [2020-09-24 15:52:58,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:52:58,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-24 15:52:58,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-09-24 15:52:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-24 15:52:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 247 transitions. [2020-09-24 15:52:58,566 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 247 transitions. Word has length 161 [2020-09-24 15:52:58,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:52:58,567 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 247 transitions. [2020-09-24 15:52:58,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:52:58,567 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 247 transitions. [2020-09-24 15:52:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-24 15:52:58,578 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:52:58,579 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:52:58,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:52:58,580 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:52:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:52:58,580 INFO L82 PathProgramCache]: Analyzing trace with hash 963263980, now seen corresponding path program 1 times [2020-09-24 15:52:58,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:52:58,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72684286] [2020-09-24 15:52:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:52:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:58,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:52:58,675 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:58,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:58,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:58,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-09-24 15:52:58,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:52:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:52:59,065 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:52:59,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:52:59,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 15:52:59,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:52:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,182 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,183 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,183 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,184 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:52:59,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:52:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,190 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:52:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:52:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,198 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,199 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,199 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,199 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:52:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:52:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,207 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,207 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,208 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,208 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:52:59,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:52:59,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:52:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,224 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,224 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,224 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,225 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:52:59,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:52:59,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:52:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,233 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,234 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,234 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,234 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:52:59,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:52:59,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:52:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:52:59,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:52:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,242 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,242 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,242 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:52:59,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 15:52:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,249 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,250 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,250 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,250 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-24 15:52:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:52:59,256 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:52:59,257 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:52:59,257 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:52:59,257 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:52:59,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:52:59,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:52:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:52:59,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:52:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:52:59,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:52:59,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:52:59,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:52:59,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:52:59,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72684286] [2020-09-24 15:52:59,315 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:52:59,315 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:52:59,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485167166] [2020-09-24 15:52:59,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:52:59,316 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:52:59,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:52:59,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:52:59,317 INFO L87 Difference]: Start difference. First operand 230 states and 247 transitions. Second operand 5 states. [2020-09-24 15:52:59,938 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:00,590 INFO L93 Difference]: Finished difference Result 386 states and 436 transitions. [2020-09-24 15:53:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:53:00,592 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-09-24 15:53:00,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:00,595 INFO L225 Difference]: With dead ends: 386 [2020-09-24 15:53:00,595 INFO L226 Difference]: Without dead ends: 271 [2020-09-24 15:53:00,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:00,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2020-09-24 15:53:00,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 230. [2020-09-24 15:53:00,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-24 15:53:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-09-24 15:53:00,649 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 170 [2020-09-24 15:53:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:00,651 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-09-24 15:53:00,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:53:00,651 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-09-24 15:53:00,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-09-24 15:53:00,653 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:00,653 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:00,654 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:53:00,654 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:00,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:00,654 INFO L82 PathProgramCache]: Analyzing trace with hash -442490257, now seen corresponding path program 1 times [2020-09-24 15:53:00,655 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:00,655 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [275485212] [2020-09-24 15:53:00,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:00,759 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:00,759 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:00,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-09-24 15:53:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:53:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:53:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:53:00,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-09-24 15:53:00,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,134 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:01,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:01,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,173 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,174 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,174 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,174 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:01,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:53:01,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,221 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,221 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,221 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,221 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,232 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,232 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,233 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,233 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:01,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,238 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,239 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,239 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,239 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,258 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,258 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,258 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,259 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:01,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:01,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,266 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,266 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,267 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,267 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:01,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:01,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,273 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,273 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,274 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,274 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,292 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,292 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:01,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:01,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:01,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:53:01,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,357 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:01,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:01,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-24 15:53:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,363 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-24 15:53:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:01,367 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:01,368 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:01,368 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:01,368 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:01,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:01,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:01,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:01,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:01,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:01,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:01,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:01,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [275485212] [2020-09-24 15:53:01,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:01,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 15:53:01,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126742960] [2020-09-24 15:53:01,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 15:53:01,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:01,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 15:53:01,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-09-24 15:53:01,409 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 8 states. [2020-09-24 15:53:01,945 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:03,603 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:04,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:04,030 INFO L93 Difference]: Finished difference Result 517 states and 594 transitions. [2020-09-24 15:53:04,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:53:04,031 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2020-09-24 15:53:04,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:04,035 INFO L225 Difference]: With dead ends: 517 [2020-09-24 15:53:04,035 INFO L226 Difference]: Without dead ends: 402 [2020-09-24 15:53:04,037 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:53:04,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2020-09-24 15:53:04,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 334. [2020-09-24 15:53:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-09-24 15:53:04,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 363 transitions. [2020-09-24 15:53:04,081 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 363 transitions. Word has length 178 [2020-09-24 15:53:04,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:04,082 INFO L479 AbstractCegarLoop]: Abstraction has 334 states and 363 transitions. [2020-09-24 15:53:04,082 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 15:53:04,082 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 363 transitions. [2020-09-24 15:53:04,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-24 15:53:04,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:04,085 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:04,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:53:04,085 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:04,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:04,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1342619795, now seen corresponding path program 1 times [2020-09-24 15:53:04,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:04,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388029846] [2020-09-24 15:53:04,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -82 [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 82 [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:04,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 187 [2020-09-24 15:53:04,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:04,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,452 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:04,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:04,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:04,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:04,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,503 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,503 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:04,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,507 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,508 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,508 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:04,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,512 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,513 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,513 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,513 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:04,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:04,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,539 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,539 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:04,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,544 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,544 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,545 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:04,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,561 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,561 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,562 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,562 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:04,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:04,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:53:04,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:04,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,574 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,574 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,574 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:04,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:04,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:53:04,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:53:04,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,599 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,599 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,600 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,600 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:04,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:04,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:04,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:04,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,625 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,625 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,626 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,626 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:04,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-09-24 15:53:04,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 15:53:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,631 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,631 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:04,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:04,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:04,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:04,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:04,636 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:04,636 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:04,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:04,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:04,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:04,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:04,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388029846] [2020-09-24 15:53:04,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:04,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:53:04,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136856171] [2020-09-24 15:53:04,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:53:04,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:04,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:53:04,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:53:04,673 INFO L87 Difference]: Start difference. First operand 334 states and 363 transitions. Second operand 9 states. [2020-09-24 15:53:05,988 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:06,297 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:06,625 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:06,941 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:07,233 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:07,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:07,963 INFO L93 Difference]: Finished difference Result 626 states and 722 transitions. [2020-09-24 15:53:07,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:53:07,964 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 202 [2020-09-24 15:53:07,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:07,967 INFO L225 Difference]: With dead ends: 626 [2020-09-24 15:53:07,967 INFO L226 Difference]: Without dead ends: 407 [2020-09-24 15:53:07,969 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 15:53:07,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-09-24 15:53:08,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 340. [2020-09-24 15:53:08,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-09-24 15:53:08,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 369 transitions. [2020-09-24 15:53:08,008 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 369 transitions. Word has length 202 [2020-09-24 15:53:08,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:08,009 INFO L479 AbstractCegarLoop]: Abstraction has 340 states and 369 transitions. [2020-09-24 15:53:08,009 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:53:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 369 transitions. [2020-09-24 15:53:08,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-24 15:53:08,012 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:08,012 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:08,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:53:08,012 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:08,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:08,013 INFO L82 PathProgramCache]: Analyzing trace with hash 79621069, now seen corresponding path program 1 times [2020-09-24 15:53:08,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:08,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18058653] [2020-09-24 15:53:08,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-09-24 15:53:08,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-09-24 15:53:08,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 15:53:08,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:53:08,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 162 [2020-09-24 15:53:08,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,455 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:08,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,491 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:53:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,537 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,542 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,542 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,543 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,543 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:08,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:08,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,548 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,549 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,549 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:08,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:08,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:08,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,577 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,577 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,577 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,577 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:08,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:08,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,583 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,583 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,583 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:08,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,588 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,588 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,589 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:08,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:08,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:08,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,606 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,606 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,607 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,607 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-09-24 15:53:08,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:08,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,617 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,617 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:08,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 15:53:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,624 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:08,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:08,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,630 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,630 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,631 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,631 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:08,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:08,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-24 15:53:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,636 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:08,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:08,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:08,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 15:53:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:08,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:08,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:08,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:08,646 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:08,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:08,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:08,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:08,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:08,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:08,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:08,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 15:53:08,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18058653] [2020-09-24 15:53:08,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:08,752 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:08,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078923511] [2020-09-24 15:53:08,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:08,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:08,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:08,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:08,755 INFO L87 Difference]: Start difference. First operand 340 states and 369 transitions. Second operand 10 states. [2020-09-24 15:53:09,369 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:10,321 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:10,641 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:11,596 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:11,962 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:12,320 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:12,880 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:13,205 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:13,512 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:13,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:13,901 INFO L93 Difference]: Finished difference Result 632 states and 719 transitions. [2020-09-24 15:53:13,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 15:53:13,902 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 202 [2020-09-24 15:53:13,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:13,905 INFO L225 Difference]: With dead ends: 632 [2020-09-24 15:53:13,905 INFO L226 Difference]: Without dead ends: 407 [2020-09-24 15:53:13,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-24 15:53:13,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2020-09-24 15:53:13,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 339. [2020-09-24 15:53:13,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2020-09-24 15:53:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 366 transitions. [2020-09-24 15:53:13,943 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 366 transitions. Word has length 202 [2020-09-24 15:53:13,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:13,943 INFO L479 AbstractCegarLoop]: Abstraction has 339 states and 366 transitions. [2020-09-24 15:53:13,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:13,944 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 366 transitions. [2020-09-24 15:53:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:53:13,946 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:13,947 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:13,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:53:13,947 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:13,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:13,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1698458806, now seen corresponding path program 1 times [2020-09-24 15:53:13,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:13,948 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1662501718] [2020-09-24 15:53:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,010 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,010 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,010 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,011 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 15:53:14,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:14,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 195 [2020-09-24 15:53:14,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:14,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,344 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:14,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,357 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,357 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,358 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:14,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,403 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,404 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,404 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,404 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,410 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,410 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,410 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,410 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,419 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,419 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,419 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,436 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,436 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,436 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:14,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,443 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:14,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,450 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,451 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,451 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,451 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:14,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,474 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:14,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:14,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:53:14,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:14,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,539 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,539 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,540 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,540 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:14,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:14,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:53:14,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,581 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:14,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:14,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:14,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:53:14,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 15:53:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:14,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:53:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:14,601 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:14,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:14,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:14,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:14,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:14,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:14,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1662501718] [2020-09-24 15:53:14,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:14,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 15:53:14,643 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694853041] [2020-09-24 15:53:14,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 15:53:14,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 15:53:14,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 15:53:14,649 INFO L87 Difference]: Start difference. First operand 339 states and 366 transitions. Second operand 10 states. [2020-09-24 15:53:16,084 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:16,392 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:16,697 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:17,033 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:17,381 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:17,701 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:18,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:18,403 INFO L93 Difference]: Finished difference Result 633 states and 718 transitions. [2020-09-24 15:53:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:53:18,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 203 [2020-09-24 15:53:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:18,412 INFO L225 Difference]: With dead ends: 633 [2020-09-24 15:53:18,412 INFO L226 Difference]: Without dead ends: 409 [2020-09-24 15:53:18,415 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:53:18,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2020-09-24 15:53:18,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 347. [2020-09-24 15:53:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 347 states. [2020-09-24 15:53:18,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 374 transitions. [2020-09-24 15:53:18,456 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 374 transitions. Word has length 203 [2020-09-24 15:53:18,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:18,456 INFO L479 AbstractCegarLoop]: Abstraction has 347 states and 374 transitions. [2020-09-24 15:53:18,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 15:53:18,457 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 374 transitions. [2020-09-24 15:53:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2020-09-24 15:53:18,458 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:18,459 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:18,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:53:18,459 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:18,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:18,459 INFO L82 PathProgramCache]: Analyzing trace with hash -674408025, now seen corresponding path program 1 times [2020-09-24 15:53:18,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:18,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332580078] [2020-09-24 15:53:18,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,537 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,538 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,538 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,538 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-09-24 15:53:18,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 106 [2020-09-24 15:53:18,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:18,887 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:18,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,931 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,932 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,932 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:18,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:18,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,990 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:18,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:18,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:18,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:18,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:18,997 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:18,997 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:18,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:18,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,005 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,005 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,006 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,006 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:19,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,014 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,014 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,014 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,015 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:19,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:19,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,035 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,035 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,035 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:53:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,049 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,050 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,050 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,050 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:19,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:19,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,057 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,058 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,058 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,058 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:53:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,082 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,082 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,082 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,083 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:19,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:19,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 15:53:19,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 15:53:19,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,105 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,105 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,105 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,106 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:19,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:19,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:19,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:53:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,142 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,142 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:19,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-09-24 15:53:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:19,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 15:53:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:19,153 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:19,153 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:19,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:19,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:19,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332580078] [2020-09-24 15:53:19,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:19,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:53:19,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647497044] [2020-09-24 15:53:19,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:53:19,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:19,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:53:19,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:53:19,200 INFO L87 Difference]: Start difference. First operand 347 states and 374 transitions. Second operand 7 states. [2020-09-24 15:53:19,754 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:20,423 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:22,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:22,165 INFO L93 Difference]: Finished difference Result 881 states and 1023 transitions. [2020-09-24 15:53:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 15:53:22,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2020-09-24 15:53:22,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:22,170 INFO L225 Difference]: With dead ends: 881 [2020-09-24 15:53:22,170 INFO L226 Difference]: Without dead ends: 649 [2020-09-24 15:53:22,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:53:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2020-09-24 15:53:22,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 580. [2020-09-24 15:53:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-09-24 15:53:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 641 transitions. [2020-09-24 15:53:22,258 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 641 transitions. Word has length 203 [2020-09-24 15:53:22,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:22,259 INFO L479 AbstractCegarLoop]: Abstraction has 580 states and 641 transitions. [2020-09-24 15:53:22,259 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:53:22,259 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 641 transitions. [2020-09-24 15:53:22,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-09-24 15:53:22,264 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:22,265 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:22,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:53:22,265 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:22,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:22,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1071578610, now seen corresponding path program 1 times [2020-09-24 15:53:22,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:22,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626315994] [2020-09-24 15:53:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -59 [2020-09-24 15:53:22,474 FATAL L256 erpolLogProxyWrapper]: Difference in width: 59 [2020-09-24 15:53:22,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 15:53:22,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-09-24 15:53:22,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:53:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:53:22,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-09-24 15:53:22,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,862 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:22,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,896 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,896 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:22,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:53:22,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,940 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,940 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,940 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:22,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,945 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,945 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,945 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,946 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:22,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,955 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,956 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:22,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:22,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,961 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,962 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:22,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:53:22,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:22,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:22,976 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:22,976 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:22,977 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:22,977 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:22,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:22,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:22,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:22,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:22,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:53:22,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:53:23,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,013 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:23,013 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,013 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,013 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:23,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:53:23,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:53:23,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:53:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,065 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,065 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,065 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,066 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:23,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:23,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 15:53:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:53:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,103 FATAL L256 erpolLogProxyWrapper]: Difference in size: 1 [2020-09-24 15:53:23,104 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,104 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,104 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:23,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:23,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:23,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 15:53:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,117 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,125 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:23,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:53:23,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,135 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,135 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:53:23,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-09-24 15:53:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,145 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,145 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,146 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,146 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:23,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:53:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:23,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:23,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 15:53:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:23,210 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:23,210 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:23,210 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:23,211 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:23,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:23,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:23,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:23,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:23,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:53:23,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:23,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 15:53:23,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626315994] [2020-09-24 15:53:23,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:53:23,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 15:53:23,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027540244] [2020-09-24 15:53:23,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:53:23,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:23,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:53:23,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:53:23,278 INFO L87 Difference]: Start difference. First operand 580 states and 641 transitions. Second operand 14 states. [2020-09-24 15:53:23,882 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:24,673 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:26,352 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:53:26,972 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-24 15:53:27,330 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:27,647 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:27,989 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:28,296 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:29,346 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:29,665 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:29,972 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:53:30,638 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 190 [2020-09-24 15:53:31,429 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-24 15:53:32,292 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-24 15:53:32,992 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-24 15:53:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:33,551 INFO L93 Difference]: Finished difference Result 1512 states and 1745 transitions. [2020-09-24 15:53:33,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-09-24 15:53:33,552 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 208 [2020-09-24 15:53:33,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:33,559 INFO L225 Difference]: With dead ends: 1512 [2020-09-24 15:53:33,559 INFO L226 Difference]: Without dead ends: 1145 [2020-09-24 15:53:33,562 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=543, Invalid=1809, Unknown=0, NotChecked=0, Total=2352 [2020-09-24 15:53:33,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-09-24 15:53:33,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 976. [2020-09-24 15:53:33,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 976 states. [2020-09-24 15:53:33,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1071 transitions. [2020-09-24 15:53:33,709 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1071 transitions. Word has length 208 [2020-09-24 15:53:33,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:33,710 INFO L479 AbstractCegarLoop]: Abstraction has 976 states and 1071 transitions. [2020-09-24 15:53:33,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:53:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1071 transitions. [2020-09-24 15:53:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-24 15:53:33,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:53:33,713 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:53:33,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:53:33,713 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:53:33,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:53:33,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1139867280, now seen corresponding path program 1 times [2020-09-24 15:53:33,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:53:33,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906418080] [2020-09-24 15:53:33,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:53:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:33,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:53:33,790 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -109 [2020-09-24 15:53:33,790 FATAL L256 erpolLogProxyWrapper]: Difference in width: 109 [2020-09-24 15:53:33,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:33,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-09-24 15:53:33,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-09-24 15:53:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,111 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:53:34,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,119 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,119 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,119 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 15:53:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 15:53:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,154 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,154 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,154 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 15:53:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,158 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 15:53:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,163 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,163 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,163 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,163 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:34,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 15:53:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,181 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,181 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,181 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,181 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:34,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:53:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,194 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,194 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,194 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:53:34,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:53:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,219 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,220 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,220 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,220 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-09-24 15:53:34,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:34,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,246 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,246 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,246 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-24 15:53:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,264 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,264 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 15:53:34,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-24 15:53:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,272 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,272 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,273 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,273 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:53:34,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:53:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:53:34,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:53:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,285 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,286 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:53:34,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:53:34,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-24 15:53:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,292 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:53:34,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,298 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-09-24 15:53:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 15:53:34,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:53:34,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:53:34,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 15:53:34,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:53:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,382 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,383 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,383 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,383 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:34,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:53:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,414 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:53:34,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-09-24 15:53:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:53:34,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:53:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,424 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,424 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,424 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,425 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:53:34,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:53:34,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:53:34,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:53:34,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-24 15:53:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,429 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,429 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,429 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,430 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:34,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-24 15:53:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:53:34,435 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:53:34,435 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:53:34,435 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:53:34,435 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:53:34,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:53:34,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:53:34,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:53:34,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:53:34,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:53:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:53:34,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:53:34,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:53:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 33 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-09-24 15:53:34,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906418080] [2020-09-24 15:53:34,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:53:34,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:53:34,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067359972] [2020-09-24 15:53:34,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:53:34,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:53:34,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:53:34,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:53:34,504 INFO L87 Difference]: Start difference. First operand 976 states and 1071 transitions. Second operand 14 states. [2020-09-24 15:53:35,750 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:36,054 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:36,373 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:53:36,817 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:37,169 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:53:37,911 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:53:38,355 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:53:38,710 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-24 15:53:39,483 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:53:39,786 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:53:40,443 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 193 [2020-09-24 15:53:40,882 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:41,483 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:53:41,844 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 15:53:42,639 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 195 [2020-09-24 15:53:42,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:53:42,823 INFO L93 Difference]: Finished difference Result 1501 states and 1673 transitions. [2020-09-24 15:53:42,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-24 15:53:42,824 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 267 [2020-09-24 15:53:42,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:53:42,825 INFO L225 Difference]: With dead ends: 1501 [2020-09-24 15:53:42,825 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 15:53:42,829 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=506, Invalid=1656, Unknown=0, NotChecked=0, Total=2162 [2020-09-24 15:53:42,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 15:53:42,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 15:53:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 15:53:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 15:53:42,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 267 [2020-09-24 15:53:42,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:53:42,833 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 15:53:42,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 15:53:42,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 15:53:42,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 15:53:42,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:53:42,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 15:53:43,302 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-24 15:53:43,484 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:53:43,659 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-24 15:53:43,842 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 15:53:44,032 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-24 15:53:45,811 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-24 15:53:45,993 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-24 15:53:46,174 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 15:53:46,336 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 15:53:46,528 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-24 15:53:46,730 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-24 15:53:46,911 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-24 15:53:47,078 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 197