/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_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:21,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:21,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:21,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:21,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:21,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:21,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:21,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:21,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:21,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:21,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:21,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:21,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:21,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:21,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:21,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:21,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:21,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:21,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:21,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:21,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:21,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:21,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:21,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:21,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:21,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:21,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:21,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:21,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:21,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:21,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:21,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:21,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:21,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:21,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:21,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:21,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:21,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:21,098 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:21,099 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:21,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:21,101 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 15:50:21,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:21,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:21,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:21,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:21,132 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:21,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:21,132 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:21,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:21,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:21,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:21,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:21,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:21,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:21,136 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:21,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:21,137 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:21,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:21,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:21,138 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:21,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:21,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:21,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:21,139 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:21,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:21,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:21,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:21,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:21,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:21,140 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:21,140 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 15:50:21,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:21,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:21,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:21,664 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:21,665 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:21,666 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-24 15:50:21,767 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47621b48/719b2799a0e44064aedab22e50ccead4/FLAGe78f01dc1 [2020-09-24 15:50:22,406 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:22,407 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-09-24 15:50:22,423 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47621b48/719b2799a0e44064aedab22e50ccead4/FLAGe78f01dc1 [2020-09-24 15:50:22,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d47621b48/719b2799a0e44064aedab22e50ccead4 [2020-09-24 15:50:22,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:22,672 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:22,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:22,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:22,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:22,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:22" (1/1) ... [2020-09-24 15:50:22,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:22, skipping insertion in model container [2020-09-24 15:50:22,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:22" (1/1) ... [2020-09-24 15:50:22,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:22,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:23,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:23,262 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:23,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:23,388 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:23,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23 WrapperNode [2020-09-24 15:50:23,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:23,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:23,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:23,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:23,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,431 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (1/1) ... [2020-09-24 15:50:23,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:23,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:23,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:23,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:23,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (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 15:50:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:50:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:23,642 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:23,643 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:23,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:24,887 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:24,887 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:24,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:24 BoogieIcfgContainer [2020-09-24 15:50:24,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:24,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:24,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:24,900 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:24,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:22" (1/3) ... [2020-09-24 15:50:24,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf051a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:24, skipping insertion in model container [2020-09-24 15:50:24,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:23" (2/3) ... [2020-09-24 15:50:24,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cf051a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:24, skipping insertion in model container [2020-09-24 15:50:24,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:24" (3/3) ... [2020-09-24 15:50:24,904 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-09-24 15:50:24,916 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:24,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:24,955 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:24,990 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:24,990 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:24,990 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:24,990 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:24,991 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:24,991 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:24,991 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:24,991 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:25,022 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-09-24 15:50:25,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:25,040 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:25,041 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:25,042 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:25,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:25,050 INFO L82 PathProgramCache]: Analyzing trace with hash 944307102, now seen corresponding path program 1 times [2020-09-24 15:50:25,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:25,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233275903] [2020-09-24 15:50:25,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:25,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,462 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,462 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:25,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:25,933 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:25,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,959 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,959 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,959 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,960 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:25,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 53 [2020-09-24 15:50:26,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,098 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,098 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,098 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,099 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:26,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:26,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,108 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,109 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,109 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,109 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:26,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:26,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,116 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,116 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,117 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,117 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:26,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,138 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,139 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,139 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,139 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:26,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,147 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,148 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,148 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:26,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:26,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,158 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,159 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,159 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:26,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:26,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233275903] [2020-09-24 15:50:26,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:26,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:26,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969049463] [2020-09-24 15:50:26,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:26,209 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:26,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:26,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:26,233 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 3 states. [2020-09-24 15:50:27,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:27,607 INFO L93 Difference]: Finished difference Result 494 states and 582 transitions. [2020-09-24 15:50:27,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:27,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:27,632 INFO L225 Difference]: With dead ends: 494 [2020-09-24 15:50:27,632 INFO L226 Difference]: Without dead ends: 306 [2020-09-24 15:50:27,639 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:27,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-09-24 15:50:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 262. [2020-09-24 15:50:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-24 15:50:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-24 15:50:27,755 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 142 [2020-09-24 15:50:27,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:27,756 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-24 15:50:27,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:27,757 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-24 15:50:27,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:27,765 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:27,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:27,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:27,766 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:27,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:27,767 INFO L82 PathProgramCache]: Analyzing trace with hash 990794439, now seen corresponding path program 1 times [2020-09-24 15:50:27,767 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:27,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367341497] [2020-09-24 15:50:27,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:27,855 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:27,855 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:27,855 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:27,855 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:27,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:27,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:27,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:27,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:27,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:27,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:27,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:27,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:28,210 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:28,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,226 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,226 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,227 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,227 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:28,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,278 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,278 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,278 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,284 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,285 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,290 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,290 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,290 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:28,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,303 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,303 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,304 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,304 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:28,310 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:28,311 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:28,311 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:28,311 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:28,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:28,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:28,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:28,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:28,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367341497] [2020-09-24 15:50:28,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:28,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:28,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858228902] [2020-09-24 15:50:28,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:28,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:28,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:28,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:28,388 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 4 states. [2020-09-24 15:50:29,061 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:30,039 INFO L93 Difference]: Finished difference Result 398 states and 443 transitions. [2020-09-24 15:50:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:30,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:30,045 INFO L225 Difference]: With dead ends: 398 [2020-09-24 15:50:30,045 INFO L226 Difference]: Without dead ends: 289 [2020-09-24 15:50:30,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:30,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-09-24 15:50:30,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 252. [2020-09-24 15:50:30,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2020-09-24 15:50:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 269 transitions. [2020-09-24 15:50:30,093 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 269 transitions. Word has length 143 [2020-09-24 15:50:30,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:30,094 INFO L479 AbstractCegarLoop]: Abstraction has 252 states and 269 transitions. [2020-09-24 15:50:30,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:30,094 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 269 transitions. [2020-09-24 15:50:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-24 15:50:30,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:30,097 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:30,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:30,097 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:30,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:30,098 INFO L82 PathProgramCache]: Analyzing trace with hash -844663911, now seen corresponding path program 1 times [2020-09-24 15:50:30,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:30,098 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381008272] [2020-09-24 15:50:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,165 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:30,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: -42 [2020-09-24 15:50:30,166 FATAL L256 erpolLogProxyWrapper]: Difference in width: 42 [2020-09-24 15:50:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 187 [2020-09-24 15:50:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:30,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 146 [2020-09-24 15:50:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,508 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:30,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:30,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:30,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,603 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,608 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,608 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,608 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,608 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,612 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,612 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,617 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,617 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,618 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,618 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:30,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,635 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:30,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:30,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:30,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 15:50:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,641 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,641 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,642 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,642 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:30,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:30,646 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:30,647 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:30,647 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:30,647 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:30,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:30,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:30,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:30,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:30,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:30,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:30,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381008272] [2020-09-24 15:50:30,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:30,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 15:50:30,674 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029166208] [2020-09-24 15:50:30,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 15:50:30,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:30,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 15:50:30,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:30,675 INFO L87 Difference]: Start difference. First operand 252 states and 269 transitions. Second operand 5 states. [2020-09-24 15:50:31,168 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:32,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:32,858 INFO L93 Difference]: Finished difference Result 606 states and 692 transitions. [2020-09-24 15:50:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 15:50:32,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2020-09-24 15:50:32,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:32,864 INFO L225 Difference]: With dead ends: 606 [2020-09-24 15:50:32,864 INFO L226 Difference]: Without dead ends: 464 [2020-09-24 15:50:32,866 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 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 15:50:32,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2020-09-24 15:50:32,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 378. [2020-09-24 15:50:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2020-09-24 15:50:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 411 transitions. [2020-09-24 15:50:32,940 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 411 transitions. Word has length 156 [2020-09-24 15:50:32,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:32,940 INFO L479 AbstractCegarLoop]: Abstraction has 378 states and 411 transitions. [2020-09-24 15:50:32,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 15:50:32,941 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 411 transitions. [2020-09-24 15:50:32,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:50:32,944 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:32,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:32,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:32,944 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:32,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1137144832, now seen corresponding path program 1 times [2020-09-24 15:50:32,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:32,945 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481742823] [2020-09-24 15:50:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,052 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:33,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,053 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:50:33,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-09-24 15:50:33,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:33,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:33,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-09-24 15:50:33,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,448 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,489 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,489 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,490 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,490 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:33,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:33,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,541 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,541 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,541 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,541 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:33,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:33,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,546 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,547 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,547 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,547 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:33,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:33,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,552 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,553 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,553 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,553 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:33,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,559 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:33,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,578 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,578 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:33,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:33,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:50:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,587 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,587 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,588 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,588 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:33,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:33,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:33,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:33,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:50:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:33,624 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:33,624 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:33,625 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:33,625 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:33,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:33,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:33,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:33,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:33,693 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481742823] [2020-09-24 15:50:33,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:33,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:33,694 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045782941] [2020-09-24 15:50:33,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:33,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:33,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:33,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:33,696 INFO L87 Difference]: Start difference. First operand 378 states and 411 transitions. Second operand 9 states. [2020-09-24 15:50:34,354 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:35,724 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:36,042 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:36,437 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:36,820 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:37,118 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:37,423 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:37,733 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:39,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:39,192 INFO L93 Difference]: Finished difference Result 996 states and 1169 transitions. [2020-09-24 15:50:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:39,193 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:50:39,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:39,200 INFO L225 Difference]: With dead ends: 996 [2020-09-24 15:50:39,200 INFO L226 Difference]: Without dead ends: 728 [2020-09-24 15:50:39,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:39,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-09-24 15:50:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 633. [2020-09-24 15:50:39,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-09-24 15:50:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 703 transitions. [2020-09-24 15:50:39,309 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 703 transitions. Word has length 161 [2020-09-24 15:50:39,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:39,309 INFO L479 AbstractCegarLoop]: Abstraction has 633 states and 703 transitions. [2020-09-24 15:50:39,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 703 transitions. [2020-09-24 15:50:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:39,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:39,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:39,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:39,314 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:39,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:39,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1039475204, now seen corresponding path program 1 times [2020-09-24 15:50:39,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:39,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293350987] [2020-09-24 15:50:39,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,407 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,408 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,408 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:50:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 15:50:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,692 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:39,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,734 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,734 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,734 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:39,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:39,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:50:39,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,788 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,789 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,794 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:39,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,809 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,809 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:39,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:39,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,828 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,828 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,829 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,829 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:39,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-24 15:50:39,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 15:50:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,845 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,846 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,846 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:39,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:39,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,852 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:39,858 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:39,858 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:39,859 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:39,859 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:39,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:39,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:39,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:39,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:39,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:39,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:39,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:39,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:39,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:39,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293350987] [2020-09-24 15:50:39,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:39,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-24 15:50:39,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51476261] [2020-09-24 15:50:39,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-24 15:50:39,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:39,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-24 15:50:39,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-24 15:50:39,897 INFO L87 Difference]: Start difference. First operand 633 states and 703 transitions. Second operand 6 states. [2020-09-24 15:50:40,428 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:42,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:42,410 INFO L93 Difference]: Finished difference Result 1492 states and 1748 transitions. [2020-09-24 15:50:42,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 15:50:42,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-09-24 15:50:42,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:42,419 INFO L225 Difference]: With dead ends: 1492 [2020-09-24 15:50:42,419 INFO L226 Difference]: Without dead ends: 969 [2020-09-24 15:50:42,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:42,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-09-24 15:50:42,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 889. [2020-09-24 15:50:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-09-24 15:50:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1004 transitions. [2020-09-24 15:50:42,554 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1004 transitions. Word has length 166 [2020-09-24 15:50:42,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:42,555 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1004 transitions. [2020-09-24 15:50:42,555 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-24 15:50:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1004 transitions. [2020-09-24 15:50:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:42,559 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:42,560 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 15:50:42,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:42,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:42,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:42,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1161294360, now seen corresponding path program 1 times [2020-09-24 15:50:42,562 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:42,562 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [655297859] [2020-09-24 15:50:42,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,696 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,696 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,696 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,697 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:42,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-09-24 15:50:42,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:50:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:42,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 102 [2020-09-24 15:50:42,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,231 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:43,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,282 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,283 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,283 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,283 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:43,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:43,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:43,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:43,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:43,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,350 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,350 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,350 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,350 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:43,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:43,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,356 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,356 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,356 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,356 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:43,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:43,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,362 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:43,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,383 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,384 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,384 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:43,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:43,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:43,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:43,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:43,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,433 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,434 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,434 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:43,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:43,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,443 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,443 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,444 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,444 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:43,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:43,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:43,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:43,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:43,477 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:43,478 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:43,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:43,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:43,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:43,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:43,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:43,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 15:50:43,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [655297859] [2020-09-24 15:50:43,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:43,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:50:43,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333274811] [2020-09-24 15:50:43,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:50:43,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:43,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:50:43,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:43,514 INFO L87 Difference]: Start difference. First operand 889 states and 1004 transitions. Second operand 12 states. [2020-09-24 15:50:44,059 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:45,406 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,802 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:46,103 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:46,416 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:46,698 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:48,000 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:48,316 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:48,686 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:50,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:50,202 INFO L93 Difference]: Finished difference Result 1866 states and 2295 transitions. [2020-09-24 15:50:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-24 15:50:50,203 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:50:50,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:50,213 INFO L225 Difference]: With dead ends: 1866 [2020-09-24 15:50:50,214 INFO L226 Difference]: Without dead ends: 1418 [2020-09-24 15:50:50,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=175, Invalid=581, Unknown=0, NotChecked=0, Total=756 [2020-09-24 15:50:50,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1418 states. [2020-09-24 15:50:50,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1418 to 1240. [2020-09-24 15:50:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2020-09-24 15:50:50,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1440 transitions. [2020-09-24 15:50:50,425 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1440 transitions. Word has length 166 [2020-09-24 15:50:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:50,426 INFO L479 AbstractCegarLoop]: Abstraction has 1240 states and 1440 transitions. [2020-09-24 15:50:50,427 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:50:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1440 transitions. [2020-09-24 15:50:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-24 15:50:50,439 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:50,441 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 15:50:50,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:50,442 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:50,442 INFO L82 PathProgramCache]: Analyzing trace with hash 63773648, now seen corresponding path program 1 times [2020-09-24 15:50:50,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:50,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636874562] [2020-09-24 15:50:50,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:50,573 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:50,573 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:50,573 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:50,574 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:50,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-09-24 15:50:50,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:50,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-24 15:50:50,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:50:50,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-09-24 15:50:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:50:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:50,948 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:50,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:51,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,020 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,020 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,021 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,021 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:51,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:51,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-09-24 15:50:51,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,073 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,073 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,073 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,073 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:51,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,078 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,078 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,078 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,079 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:51,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,085 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,085 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,085 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,085 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:51,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:51,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,091 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,092 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,092 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,092 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:51,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,114 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,115 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,115 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,116 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:51,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:51,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:51,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:51,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:51,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,191 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,191 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,191 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,191 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:51,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:50:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,229 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,230 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,230 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,230 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:51,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:51,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:51,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:51,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:51,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,276 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,277 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,277 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,277 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:51,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 15:50:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,332 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,332 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,333 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:51,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 15:50:51,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:51,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,392 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,393 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,393 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,393 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:51,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,401 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,401 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,402 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,402 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:51,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,408 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,409 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,409 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,409 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:51,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,416 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,417 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:51,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,422 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,422 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,422 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,423 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:51,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,430 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,431 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,431 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,431 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:51,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:51,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,436 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,437 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,437 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,437 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:50:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,446 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,447 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,447 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,447 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:51,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:51,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 15:50:51,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:50:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,452 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,452 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,453 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,453 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:51,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:51,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 15:50:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,458 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,458 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,459 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,459 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:51,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:51,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,464 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:51,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:51,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-24 15:50:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,469 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,469 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,469 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,470 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:51,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-24 15:50:51,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:51,474 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:51,474 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:51,475 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:51,475 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:51,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:51,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:51,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:51,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:51,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:51,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:51,538 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 15:50:51,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636874562] [2020-09-24 15:50:51,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:51,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:50:51,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514883130] [2020-09-24 15:50:51,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:50:51,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:51,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:50:51,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:50:51,544 INFO L87 Difference]: Start difference. First operand 1240 states and 1440 transitions. Second operand 16 states. [2020-09-24 15:50:52,168 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:52,969 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:54,143 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:54,471 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:54,816 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:55,201 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:55,512 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:55,833 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:56,148 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:56,455 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:56,761 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:57,188 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:50:57,540 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:57,869 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:00,161 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:00,472 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:00,836 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:01,169 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:01,514 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:01,804 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:02,632 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 187 [2020-09-24 15:51:03,654 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:51:04,301 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:51:04,963 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 194 [2020-09-24 15:51:05,569 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:51:06,175 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-24 15:51:06,763 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 190 [2020-09-24 15:51:08,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:08,334 INFO L93 Difference]: Finished difference Result 3035 states and 3791 transitions. [2020-09-24 15:51:08,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-24 15:51:08,334 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 267 [2020-09-24 15:51:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:08,346 INFO L225 Difference]: With dead ends: 3035 [2020-09-24 15:51:08,346 INFO L226 Difference]: Without dead ends: 1905 [2020-09-24 15:51:08,353 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 968 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=759, Invalid=2781, Unknown=0, NotChecked=0, Total=3540 [2020-09-24 15:51:08,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1905 states. [2020-09-24 15:51:08,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1905 to 1567. [2020-09-24 15:51:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1567 states. [2020-09-24 15:51:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1567 states and 1786 transitions. [2020-09-24 15:51:08,588 INFO L78 Accepts]: Start accepts. Automaton has 1567 states and 1786 transitions. Word has length 267 [2020-09-24 15:51:08,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:08,589 INFO L479 AbstractCegarLoop]: Abstraction has 1567 states and 1786 transitions. [2020-09-24 15:51:08,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:51:08,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 1786 transitions. [2020-09-24 15:51:08,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-24 15:51:08,596 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:08,596 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-24 15:51:08,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:51:08,597 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:08,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:08,597 INFO L82 PathProgramCache]: Analyzing trace with hash -472658643, now seen corresponding path program 1 times [2020-09-24 15:51:08,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:08,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [295148344] [2020-09-24 15:51:08,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:08,693 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:08,693 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:08,694 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:08,694 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:08,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 328 [2020-09-24 15:51:08,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:08,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 15:51:08,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:51:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 176 [2020-09-24 15:51:08,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 136 [2020-09-24 15:51:08,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,055 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:09,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,066 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,067 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,067 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,067 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:09,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,118 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,119 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,124 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,125 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,125 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,125 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,132 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,132 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,133 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,133 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,140 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,140 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,140 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,141 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,164 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,165 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:51:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,188 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,188 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,189 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:09,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,231 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,231 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,232 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,232 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:51:09,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:51:09,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,278 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,279 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,279 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,279 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:09,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:51:09,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:09,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,300 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,300 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,300 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,301 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:09,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:09,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,315 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,315 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,316 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,316 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:09,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:09,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,333 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,333 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,333 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,334 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:09,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:51:09,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,343 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,344 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,344 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:09,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,352 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,352 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,361 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,362 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,362 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,363 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:09,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:51:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,377 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,378 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,378 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:09,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:09,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:51:09,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,387 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,388 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,388 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-24 15:51:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,406 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,406 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,406 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,407 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:09,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:09,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 15:51:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-09-24 15:51:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,419 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,420 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,420 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,420 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:09,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:51:09,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:09,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:51:09,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:51:09,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-09-24 15:51:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,464 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,465 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:51:09,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:51:09,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:51:09,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:09,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,471 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,472 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,472 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,472 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:09,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-24 15:51:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,485 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,485 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,486 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,486 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:51:09,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:51:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:09,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:51:09,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-09-24 15:51:09,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:09,530 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:09,530 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:09,530 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:09,531 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:09,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:09,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:09,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:09,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:09,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:09,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:09,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:51:09,659 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-24 15:51:09,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [295148344] [2020-09-24 15:51:09,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:09,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-09-24 15:51:09,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433695501] [2020-09-24 15:51:09,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 15:51:09,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:09,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 15:51:09,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-09-24 15:51:09,663 INFO L87 Difference]: Start difference. First operand 1567 states and 1786 transitions. Second operand 14 states. [2020-09-24 15:51:10,338 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:11,102 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:11,999 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:12,311 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:12,671 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:12,986 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:13,281 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:13,596 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:13,887 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:14,229 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:14,584 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:14,894 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189