/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_product43.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 15:50:14,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 15:50:14,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 15:50:14,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 15:50:14,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 15:50:14,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 15:50:14,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 15:50:14,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 15:50:14,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 15:50:14,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 15:50:14,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 15:50:14,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 15:50:14,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 15:50:14,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 15:50:14,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 15:50:14,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 15:50:14,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 15:50:14,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 15:50:14,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 15:50:14,142 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 15:50:14,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 15:50:14,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 15:50:14,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 15:50:14,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 15:50:14,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 15:50:14,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 15:50:14,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 15:50:14,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 15:50:14,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 15:50:14,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 15:50:14,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 15:50:14,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 15:50:14,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 15:50:14,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 15:50:14,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 15:50:14,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 15:50:14,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 15:50:14,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 15:50:14,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 15:50:14,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 15:50:14,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 15:50:14,180 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 15:50:14,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 15:50:14,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 15:50:14,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 15:50:14,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 15:50:14,223 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 15:50:14,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 15:50:14,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 15:50:14,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 15:50:14,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 15:50:14,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 15:50:14,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 15:50:14,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 15:50:14,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 15:50:14,226 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 15:50:14,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 15:50:14,227 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 15:50:14,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 15:50:14,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 15:50:14,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 15:50:14,228 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 15:50:14,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 15:50:14,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 15:50:14,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 15:50:14,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 15:50:14,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 15:50:14,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 15:50:14,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 15:50:14,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 15:50:14,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 15:50:14,230 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 15:50:14,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 15:50:14,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 15:50:14,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 15:50:14,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 15:50:14,708 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 15:50:14,710 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-24 15:50:14,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/656c3924a/aa205ee7b52c4fde82dbef960c23ee60/FLAG93ce2e1e7 [2020-09-24 15:50:15,339 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 15:50:15,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product43.cil.c [2020-09-24 15:50:15,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/656c3924a/aa205ee7b52c4fde82dbef960c23ee60/FLAG93ce2e1e7 [2020-09-24 15:50:15,632 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/656c3924a/aa205ee7b52c4fde82dbef960c23ee60 [2020-09-24 15:50:15,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 15:50:15,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 15:50:15,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:15,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 15:50:15,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 15:50:15,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:15" (1/1) ... [2020-09-24 15:50:15,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538d8bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:15, skipping insertion in model container [2020-09-24 15:50:15,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 03:50:15" (1/1) ... [2020-09-24 15:50:15,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 15:50:15,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 15:50:16,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:16,148 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 15:50:16,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 15:50:16,374 INFO L208 MainTranslator]: Completed translation [2020-09-24 15:50:16,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16 WrapperNode [2020-09-24 15:50:16,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 15:50:16,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 15:50:16,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 15:50:16,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 15:50:16,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (1/1) ... [2020-09-24 15:50:16,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 15:50:16,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 15:50:16,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 15:50:16,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 15:50:16,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (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 15:50:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 15:50:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 15:50:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 15:50:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 15:50:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 15:50:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 15:50:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 15:50:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 15:50:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 15:50:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 15:50:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 15:50:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 15:50:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 15:50:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 15:50:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 15:50:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 15:50:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 15:50:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 15:50:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 15:50:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 15:50:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 15:50:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 15:50:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 15:50:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 15:50:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 15:50:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 15:50:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 15:50:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 15:50:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 15:50:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 15:50:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 15:50:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 15:50:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 15:50:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 15:50:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 15:50:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 15:50:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-24 15:50:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 15:50:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 15:50:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 15:50:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 15:50:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 15:50:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 15:50:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 15:50:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 15:50:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 15:50:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 15:50:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 15:50:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 15:50:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 15:50:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 15:50:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 15:50:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 15:50:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 15:50:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 15:50:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 15:50:17,650 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 15:50:17,650 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 15:50:17,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:17 BoogieIcfgContainer [2020-09-24 15:50:17,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 15:50:17,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 15:50:17,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 15:50:17,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 15:50:17,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 03:50:15" (1/3) ... [2020-09-24 15:50:17,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b174032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:17, skipping insertion in model container [2020-09-24 15:50:17,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 03:50:16" (2/3) ... [2020-09-24 15:50:17,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b174032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 03:50:17, skipping insertion in model container [2020-09-24 15:50:17,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 03:50:17" (3/3) ... [2020-09-24 15:50:17,666 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product43.cil.c [2020-09-24 15:50:17,676 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 15:50:17,685 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 15:50:17,705 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 15:50:17,735 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 15:50:17,735 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 15:50:17,735 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 15:50:17,735 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 15:50:17,736 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 15:50:17,736 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 15:50:17,736 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 15:50:17,736 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 15:50:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states. [2020-09-24 15:50:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 15:50:17,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:17,783 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 15:50:17,784 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:17,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:17,792 INFO L82 PathProgramCache]: Analyzing trace with hash 970389308, now seen corresponding path program 1 times [2020-09-24 15:50:17,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:17,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [823938529] [2020-09-24 15:50:17,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,149 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,149 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,149 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 15:50:18,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 15:50:18,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 129 [2020-09-24 15:50:18,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:18,652 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,751 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,751 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,756 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,756 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,756 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,761 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,762 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,762 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,762 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,768 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,768 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 15:50:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,773 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,773 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,774 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,774 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:18,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:18,779 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:18,780 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:18,780 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:18,780 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:18,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:18,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:18,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:18,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:18,806 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 15:50:18,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [823938529] [2020-09-24 15:50:18,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:18,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-24 15:50:18,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75757185] [2020-09-24 15:50:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-24 15:50:18,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:18,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-24 15:50:18,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-24 15:50:18,838 INFO L87 Difference]: Start difference. First operand 309 states. Second operand 3 states. [2020-09-24 15:50:20,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:20,209 INFO L93 Difference]: Finished difference Result 485 states and 572 transitions. [2020-09-24 15:50:20,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-24 15:50:20,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-24 15:50:20,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:20,233 INFO L225 Difference]: With dead ends: 485 [2020-09-24 15:50:20,233 INFO L226 Difference]: Without dead ends: 301 [2020-09-24 15:50:20,239 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 15:50:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-09-24 15:50:20,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 258. [2020-09-24 15:50:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-09-24 15:50:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 278 transitions. [2020-09-24 15:50:20,344 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 278 transitions. Word has length 142 [2020-09-24 15:50:20,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:20,345 INFO L479 AbstractCegarLoop]: Abstraction has 258 states and 278 transitions. [2020-09-24 15:50:20,346 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-24 15:50:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 278 transitions. [2020-09-24 15:50:20,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-24 15:50:20,351 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:20,351 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 15:50:20,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 15:50:20,351 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash 123592191, now seen corresponding path program 1 times [2020-09-24 15:50:20,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:20,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1588166521] [2020-09-24 15:50:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,432 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,433 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,433 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,433 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 174 [2020-09-24 15:50:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:20,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:20,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 128 [2020-09-24 15:50:20,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:20,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,814 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:20,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,827 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,827 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:20,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,875 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,875 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,875 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,876 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,880 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,880 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,880 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,881 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,885 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,890 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:20,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 15:50:20,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,895 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,895 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,895 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,895 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:20,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-24 15:50:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:20,900 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:20,900 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:20,901 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:20,901 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:20,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:20,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:20,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:20,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:20,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:20,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:20,925 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 15:50:20,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1588166521] [2020-09-24 15:50:20,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:20,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:20,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013238108] [2020-09-24 15:50:20,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:20,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:20,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:20,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:20,930 INFO L87 Difference]: Start difference. First operand 258 states and 278 transitions. Second operand 4 states. [2020-09-24 15:50:21,636 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:50:22,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:22,656 INFO L93 Difference]: Finished difference Result 393 states and 437 transitions. [2020-09-24 15:50:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:22,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-24 15:50:22,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:22,662 INFO L225 Difference]: With dead ends: 393 [2020-09-24 15:50:22,663 INFO L226 Difference]: Without dead ends: 284 [2020-09-24 15:50:22,664 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-24 15:50:22,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-09-24 15:50:22,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 248. [2020-09-24 15:50:22,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-09-24 15:50:22,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 265 transitions. [2020-09-24 15:50:22,708 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 265 transitions. Word has length 143 [2020-09-24 15:50:22,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:22,709 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 265 transitions. [2020-09-24 15:50:22,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:22,709 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 265 transitions. [2020-09-24 15:50:22,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-24 15:50:22,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:22,712 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] [2020-09-24 15:50:22,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 15:50:22,713 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:22,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:22,713 INFO L82 PathProgramCache]: Analyzing trace with hash -2086341092, now seen corresponding path program 1 times [2020-09-24 15:50:22,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:22,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110292045] [2020-09-24 15:50:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:22,800 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:22,801 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:22,801 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:22,801 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 15:50:22,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:22,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 15:50:22,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-09-24 15:50:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 15:50:22,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-09-24 15:50:22,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,136 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:23,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,175 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,175 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,175 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,176 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:23,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 15:50:23,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,235 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,235 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,235 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,235 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,241 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,241 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,241 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,242 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:23,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,247 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,247 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,247 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,247 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:23,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:23,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,254 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,254 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,255 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,255 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:23,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:23,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 15:50:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,260 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,260 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,260 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,260 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-24 15:50:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:23,265 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:23,265 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:23,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:23,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:23,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:23,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:23,293 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 15:50:23,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110292045] [2020-09-24 15:50:23,294 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:23,294 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 15:50:23,294 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063460284] [2020-09-24 15:50:23,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 15:50:23,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:23,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 15:50:23,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-24 15:50:23,296 INFO L87 Difference]: Start difference. First operand 248 states and 265 transitions. Second operand 4 states. [2020-09-24 15:50:23,797 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:25,335 INFO L93 Difference]: Finished difference Result 572 states and 644 transitions. [2020-09-24 15:50:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-24 15:50:25,336 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 152 [2020-09-24 15:50:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:25,340 INFO L225 Difference]: With dead ends: 572 [2020-09-24 15:50:25,341 INFO L226 Difference]: Without dead ends: 434 [2020-09-24 15:50:25,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 2 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 15:50:25,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-24 15:50:25,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 374. [2020-09-24 15:50:25,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2020-09-24 15:50:25,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 407 transitions. [2020-09-24 15:50:25,408 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 407 transitions. Word has length 152 [2020-09-24 15:50:25,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:25,409 INFO L479 AbstractCegarLoop]: Abstraction has 374 states and 407 transitions. [2020-09-24 15:50:25,409 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 15:50:25,409 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 407 transitions. [2020-09-24 15:50:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 15:50:25,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:25,412 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] [2020-09-24 15:50:25,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 15:50:25,413 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:25,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:25,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1245800221, now seen corresponding path program 1 times [2020-09-24 15:50:25,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:25,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026085098] [2020-09-24 15:50:25,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,492 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,492 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,492 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-09-24 15:50:25,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:50:25,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 15:50:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 15:50:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:25,848 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,891 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,892 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,892 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:25,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 15:50:25,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,946 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,947 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,947 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,948 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:25,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,954 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,955 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,955 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,955 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:25,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:25,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,962 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,963 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,963 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,963 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:25,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:25,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,971 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,971 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,972 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,972 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:25,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:25,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:25,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:25,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:25,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-09-24 15:50:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:25,990 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:25,990 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:25,991 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:25,991 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:25,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:25,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:25,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:25,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:25,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:25,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:25,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,134 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,134 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,135 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:26,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:26,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:26,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:26,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:50:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,142 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:26,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:26,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 15:50:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:26,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:26,151 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:26,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:26,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:26,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:26,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:26,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:26,210 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 15:50:26,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026085098] [2020-09-24 15:50:26,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:26,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 15:50:26,212 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602417792] [2020-09-24 15:50:26,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 15:50:26,213 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:26,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 15:50:26,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-24 15:50:26,214 INFO L87 Difference]: Start difference. First operand 374 states and 407 transitions. Second operand 7 states. [2020-09-24 15:50:26,706 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:28,342 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:28,878 INFO L93 Difference]: Finished difference Result 930 states and 1073 transitions. [2020-09-24 15:50:28,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-24 15:50:28,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 160 [2020-09-24 15:50:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:28,886 INFO L225 Difference]: With dead ends: 930 [2020-09-24 15:50:28,887 INFO L226 Difference]: Without dead ends: 666 [2020-09-24 15:50:28,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2020-09-24 15:50:28,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 573. [2020-09-24 15:50:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2020-09-24 15:50:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 628 transitions. [2020-09-24 15:50:28,990 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 628 transitions. Word has length 160 [2020-09-24 15:50:28,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:28,991 INFO L479 AbstractCegarLoop]: Abstraction has 573 states and 628 transitions. [2020-09-24 15:50:28,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 15:50:28,991 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 628 transitions. [2020-09-24 15:50:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 15:50:28,993 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:28,993 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 15:50:28,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 15:50:28,994 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:28,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:28,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1097300876, now seen corresponding path program 1 times [2020-09-24 15:50:28,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:28,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [809882927] [2020-09-24 15:50:28,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,149 FATAL L256 erpolLogProxyWrapper]: Difference in size: 5 [2020-09-24 15:50:29,150 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,150 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,150 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-09-24 15:50:29,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-09-24 15:50:29,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-09-24 15:50:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:29,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-09-24 15:50:29,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,484 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,526 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,527 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:29,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:29,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:29,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,585 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,585 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,585 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,586 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,590 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,590 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,591 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,591 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:29,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,596 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:29,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,604 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,605 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:29,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:29,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-24 15:50:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,634 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:29,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:29,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 15:50:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:29,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:29,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:29,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 15:50:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:29,682 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:29,682 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:29,683 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:29,683 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:29,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:29,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:29,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:29,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:29,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:29,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:29,741 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 15:50:29,741 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [809882927] [2020-09-24 15:50:29,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:29,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 15:50:29,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328230572] [2020-09-24 15:50:29,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:50:29,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:29,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:50:29,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:50:29,744 INFO L87 Difference]: Start difference. First operand 573 states and 628 transitions. Second operand 9 states. [2020-09-24 15:50:30,384 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:31,636 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:31,948 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:32,289 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:32,598 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:32,890 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:33,190 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:33,475 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:34,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:34,988 INFO L93 Difference]: Finished difference Result 1456 states and 1688 transitions. [2020-09-24 15:50:34,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 15:50:34,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-24 15:50:34,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:34,999 INFO L225 Difference]: With dead ends: 1456 [2020-09-24 15:50:34,999 INFO L226 Difference]: Without dead ends: 993 [2020-09-24 15:50:35,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-24 15:50:35,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-09-24 15:50:35,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 921. [2020-09-24 15:50:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-09-24 15:50:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1024 transitions. [2020-09-24 15:50:35,194 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1024 transitions. Word has length 161 [2020-09-24 15:50:35,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:35,195 INFO L479 AbstractCegarLoop]: Abstraction has 921 states and 1024 transitions. [2020-09-24 15:50:35,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:50:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1024 transitions. [2020-09-24 15:50:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-24 15:50:35,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:35,197 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 15:50:35,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 15:50:35,197 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:35,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1959475557, now seen corresponding path program 1 times [2020-09-24 15:50:35,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:35,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177873093] [2020-09-24 15:50:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,311 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,312 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,312 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,312 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 199 [2020-09-24 15:50:35,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-24 15:50:35,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 15:50:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:35,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 103 [2020-09-24 15:50:35,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:35,689 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:35,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,727 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,727 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,727 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:35,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,772 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,772 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:35,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:35,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:35,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:35,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:35,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,782 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,782 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,782 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,782 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:35,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,787 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,787 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,788 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:35,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,808 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,808 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:35,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:35,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:35,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:35,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:50:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,861 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,861 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,862 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,867 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:35,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 15:50:35,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 15:50:35,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 15:50:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,878 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,878 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,878 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:35,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:35,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 15:50:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:35,910 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:35,910 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:35,910 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:35,910 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:35,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:35,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:35,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:35,947 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 15:50:35,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177873093] [2020-09-24 15:50:35,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 15:50:35,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 15:50:35,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974161544] [2020-09-24 15:50:35,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 15:50:35,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:35,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 15:50:35,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 15:50:35,950 INFO L87 Difference]: Start difference. First operand 921 states and 1024 transitions. Second operand 12 states. [2020-09-24 15:50:36,455 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:37,581 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:37,882 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:38,215 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:38,527 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:38,815 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:40,147 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:40,424 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:40,723 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:41,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:41,931 INFO L93 Difference]: Finished difference Result 1908 states and 2249 transitions. [2020-09-24 15:50:41,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 15:50:41,932 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 166 [2020-09-24 15:50:41,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:41,940 INFO L225 Difference]: With dead ends: 1908 [2020-09-24 15:50:41,941 INFO L226 Difference]: Without dead ends: 1423 [2020-09-24 15:50:41,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=162, Invalid=540, Unknown=0, NotChecked=0, Total=702 [2020-09-24 15:50:41,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-09-24 15:50:42,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1255. [2020-09-24 15:50:42,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2020-09-24 15:50:42,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1421 transitions. [2020-09-24 15:50:42,096 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1421 transitions. Word has length 166 [2020-09-24 15:50:42,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:42,097 INFO L479 AbstractCegarLoop]: Abstraction has 1255 states and 1421 transitions. [2020-09-24 15:50:42,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 15:50:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1421 transitions. [2020-09-24 15:50:42,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-24 15:50:42,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:42,105 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:42,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-24 15:50:42,106 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:42,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:42,106 INFO L82 PathProgramCache]: Analyzing trace with hash 728169854, now seen corresponding path program 1 times [2020-09-24 15:50:42,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:42,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1519004552] [2020-09-24 15:50:42,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,171 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,171 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,171 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,171 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 309 [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:42,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 172 [2020-09-24 15:50:42,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:42,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,451 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,463 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,463 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:42,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,505 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,505 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:42,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,510 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,511 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:42,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,521 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,522 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:42,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-24 15:50:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,547 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,548 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,548 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,548 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:42,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:42,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 15:50:42,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:42,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,594 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,595 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,595 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,595 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:42,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:42,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 15:50:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 15:50:42,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:42,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,658 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,659 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,659 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,659 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:42,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 15:50:42,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 15:50:42,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,721 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,721 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,722 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,722 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:42,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,733 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,742 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,742 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,743 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,743 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:42,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,752 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,752 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,752 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,753 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:42,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:42,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,759 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,760 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,760 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,760 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:42,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,770 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,771 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,771 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,771 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:42,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-09-24 15:50:42,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,777 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,777 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:42,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-09-24 15:50:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,802 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,802 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:42,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-24 15:50:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,807 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,808 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,808 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:42,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:42,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,812 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,813 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,813 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,813 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:42,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:42,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-09-24 15:50:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,818 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,818 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,818 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,819 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:42,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:42,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-09-24 15:50:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:42,825 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:42,825 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:42,825 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:42,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:42,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:42,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-09-24 15:50:42,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1519004552] [2020-09-24 15:50:42,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:42,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-24 15:50:42,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733881057] [2020-09-24 15:50:42,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 15:50:42,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:42,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 15:50:42,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-09-24 15:50:42,897 INFO L87 Difference]: Start difference. First operand 1255 states and 1421 transitions. Second operand 11 states. [2020-09-24 15:50:44,313 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:44,620 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:50:44,939 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 15:50:45,254 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:50:45,603 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:45,903 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:47,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:47,092 INFO L93 Difference]: Finished difference Result 2568 states and 3013 transitions. [2020-09-24 15:50:47,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 15:50:47,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 254 [2020-09-24 15:50:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:47,101 INFO L225 Difference]: With dead ends: 2568 [2020-09-24 15:50:47,102 INFO L226 Difference]: Without dead ends: 1423 [2020-09-24 15:50:47,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-24 15:50:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1423 states. [2020-09-24 15:50:47,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1423 to 1303. [2020-09-24 15:50:47,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1303 states. [2020-09-24 15:50:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 1303 states and 1471 transitions. [2020-09-24 15:50:47,250 INFO L78 Accepts]: Start accepts. Automaton has 1303 states and 1471 transitions. Word has length 254 [2020-09-24 15:50:47,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:47,250 INFO L479 AbstractCegarLoop]: Abstraction has 1303 states and 1471 transitions. [2020-09-24 15:50:47,250 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 15:50:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 1471 transitions. [2020-09-24 15:50:47,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-09-24 15:50:47,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:47,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:47,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-24 15:50:47,257 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:47,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:47,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1732727437, now seen corresponding path program 1 times [2020-09-24 15:50:47,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:47,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953571526] [2020-09-24 15:50:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,345 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,345 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-09-24 15:50:47,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 15:50:47,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-09-24 15:50:47,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 15:50:47,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-09-24 15:50:47,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,703 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 15:50:47,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,789 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,789 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,789 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:47,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:47,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,804 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:47,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:47,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:47,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:47,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 15:50:47,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,827 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:47,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:47,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:47,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,884 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:47,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-09-24 15:50:47,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,943 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,944 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,944 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:47,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 15:50:47,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 15:50:47,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,960 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,961 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:47,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:47,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 15:50:47,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:50:47,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:47,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:47,996 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:47,996 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:47,997 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:47,997 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:47,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:47,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:47,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:47,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 15:50:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:50:48,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,053 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,053 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,053 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,054 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:48,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 15:50:48,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,062 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,062 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,062 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,065 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:48,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:48,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:48,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,071 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,072 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,072 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,072 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:48,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,077 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,077 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,077 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,077 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:48,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,087 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,087 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,087 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,088 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:48,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:48,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,095 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,096 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,096 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,096 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:48,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 15:50:48,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:50:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:48,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:50:48,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:50:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,112 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,112 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,112 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,112 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-09-24 15:50:48,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,117 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,118 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,118 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,118 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:48,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:50:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,121 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,122 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,122 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,122 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:48,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:50:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:48,126 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:48,126 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:48,126 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:48,126 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:48,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:48,199 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-24 15:50:48,199 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953571526] [2020-09-24 15:50:48,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:48,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-24 15:50:48,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196301437] [2020-09-24 15:50:48,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-24 15:50:48,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:48,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-24 15:50:48,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-24 15:50:48,202 INFO L87 Difference]: Start difference. First operand 1303 states and 1471 transitions. Second operand 16 states. [2020-09-24 15:50:48,949 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-09-24 15:50:49,759 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:50,661 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-24 15:50:51,239 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 15:50:51,832 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-24 15:50:52,472 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-24 15:50:53,022 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 190 [2020-09-24 15:50:53,444 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:54,992 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:50:55,657 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2020-09-24 15:50:56,173 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:56,488 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:56,802 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:57,130 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 15:50:57,448 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:50:58,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:50:58,018 INFO L93 Difference]: Finished difference Result 2353 states and 2732 transitions. [2020-09-24 15:50:58,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-24 15:50:58,018 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 259 [2020-09-24 15:50:58,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:50:58,025 INFO L225 Difference]: With dead ends: 2353 [2020-09-24 15:50:58,025 INFO L226 Difference]: Without dead ends: 1160 [2020-09-24 15:50:58,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=301, Invalid=1105, Unknown=0, NotChecked=0, Total=1406 [2020-09-24 15:50:58,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2020-09-24 15:50:58,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1058. [2020-09-24 15:50:58,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-09-24 15:50:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1179 transitions. [2020-09-24 15:50:58,181 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1179 transitions. Word has length 259 [2020-09-24 15:50:58,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:50:58,182 INFO L479 AbstractCegarLoop]: Abstraction has 1058 states and 1179 transitions. [2020-09-24 15:50:58,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-24 15:50:58,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1179 transitions. [2020-09-24 15:50:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-09-24 15:50:58,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:50:58,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:50:58,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-24 15:50:58,187 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:50:58,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:50:58,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1965471222, now seen corresponding path program 1 times [2020-09-24 15:50:58,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:50:58,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2070508011] [2020-09-24 15:50:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:50:58,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,297 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,297 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,297 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,297 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-09-24 15:50:58,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 170 [2020-09-24 15:50:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-09-24 15:50:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,626 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:50:58,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:50:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,634 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,635 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,635 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,635 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:50:58,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:50:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,666 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,667 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,667 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,667 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:58,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:58,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:50:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,670 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:50:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,674 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,674 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,675 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,675 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:58,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:50:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:58,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:50:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,709 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:58,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 15:50:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,738 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,739 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,739 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:50:58,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:58,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 15:50:58,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,776 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:50:58,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:50:58,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 15:50:58,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,799 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,799 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,799 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:50:58,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:58,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:58,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:50:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,816 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,816 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,817 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,817 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:50:58,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:50:58,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:50:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,831 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,831 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,832 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,832 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:50:58,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-24 15:50:58,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,839 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,840 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,840 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,841 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:50:58,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:50:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,847 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,847 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,848 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,848 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:58,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:50:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,853 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,853 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,853 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,854 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:50:58,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:50:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,865 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,866 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:50:58,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:50:58,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,873 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,873 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,873 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,873 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:58,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:50:58,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-09-24 15:50:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,889 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,890 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,890 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,890 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:50:58,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 15:50:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 15:50:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 15:50:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-24 15:50:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,924 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:50:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 15:50:58,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:50:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,930 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,931 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,931 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,931 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:50:58,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-24 15:50:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,938 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,938 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,939 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,939 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:58,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 15:50:58,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 15:50:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:50:58,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 15:50:58,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:50:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-09-24 15:50:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:50:58,973 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:50:58,973 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:50:58,973 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:50:58,974 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:50:58,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:50:58,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:50:58,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:50:58,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:50:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:50:58,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:50:58,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:50:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 15:50:59,035 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-24 15:50:59,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2070508011] [2020-09-24 15:50:59,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:50:59,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 15:50:59,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275845192] [2020-09-24 15:50:59,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 15:50:59,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:50:59,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 15:50:59,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-09-24 15:50:59,038 INFO L87 Difference]: Start difference. First operand 1058 states and 1179 transitions. Second operand 13 states. [2020-09-24 15:50:59,517 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:00,285 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:01,043 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:01,352 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:01,690 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:02,050 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:02,350 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:02,652 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 15:51:02,947 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:03,275 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:03,636 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 15:51:03,940 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 15:51:05,543 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:05,846 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 15:51:06,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:06,746 INFO L93 Difference]: Finished difference Result 2439 states and 2880 transitions. [2020-09-24 15:51:06,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-24 15:51:06,747 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 259 [2020-09-24 15:51:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:06,755 INFO L225 Difference]: With dead ends: 2439 [2020-09-24 15:51:06,755 INFO L226 Difference]: Without dead ends: 1658 [2020-09-24 15:51:06,759 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 48 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2020-09-24 15:51:06,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2020-09-24 15:51:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1470. [2020-09-24 15:51:06,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1470 states. [2020-09-24 15:51:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1675 transitions. [2020-09-24 15:51:06,945 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1675 transitions. Word has length 259 [2020-09-24 15:51:06,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:06,947 INFO L479 AbstractCegarLoop]: Abstraction has 1470 states and 1675 transitions. [2020-09-24 15:51:06,947 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 15:51:06,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1675 transitions. [2020-09-24 15:51:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-09-24 15:51:06,952 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:06,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-24 15:51:06,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-24 15:51:06,953 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:06,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:06,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1412305072, now seen corresponding path program 1 times [2020-09-24 15:51:06,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:06,955 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997914931] [2020-09-24 15:51:06,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,019 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,019 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,020 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 15:51:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 158 [2020-09-24 15:51:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 15:51:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,297 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 15:51:07,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 15:51:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,309 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,309 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 15:51:07,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 15:51:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,340 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,340 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,341 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,341 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:07,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 15:51:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,344 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,344 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 15:51:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,348 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,348 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,349 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 15:51:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 15:51:07,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 15:51:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,365 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,365 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 15:51:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,397 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 15:51:07,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 15:51:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,426 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,426 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,426 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,426 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:07,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-24 15:51:07,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-09-24 15:51:07,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,475 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,476 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,476 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,476 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 15:51:07,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-09-24 15:51:07,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 15:51:07,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,493 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,493 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,493 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,493 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 15:51:07,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 15:51:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,498 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,498 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,499 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,499 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 15:51:07,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 15:51:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,503 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,503 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,504 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,504 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-24 15:51:07,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,511 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,511 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,511 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,512 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-09-24 15:51:07,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,516 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,516 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,516 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,516 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-24 15:51:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,520 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,521 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,521 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,521 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 15:51:07,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-24 15:51:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,527 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 15:51:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-09-24 15:51:07,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 15:51:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,543 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,543 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-09-24 15:51:07,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 15:51:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,550 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,550 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,550 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,551 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:07,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-24 15:51:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,554 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,555 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,555 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,555 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-09-24 15:51:07,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 15:51:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,565 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,565 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,565 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,566 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 15:51:07,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-24 15:51:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,570 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 15:51:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-09-24 15:51:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,575 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,575 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-09-24 15:51:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:07,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-09-24 15:51:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 15:51:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 15:51:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 15:51:07,580 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 15:51:07,581 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 15:51:07,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 15:51:07,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 15:51:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 15:51:07,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 15:51:07,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 15:51:07,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 15:51:07,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 15:51:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 15:51:07,653 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 51 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-09-24 15:51:07,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997914931] [2020-09-24 15:51:07,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 15:51:07,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-24 15:51:07,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966053666] [2020-09-24 15:51:07,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 15:51:07,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 15:51:07,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 15:51:07,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-09-24 15:51:07,660 INFO L87 Difference]: Start difference. First operand 1470 states and 1675 transitions. Second operand 9 states. [2020-09-24 15:51:08,196 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 15:51:08,996 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 15:51:10,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 15:51:10,505 INFO L93 Difference]: Finished difference Result 1877 states and 2162 transitions. [2020-09-24 15:51:10,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-24 15:51:10,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 299 [2020-09-24 15:51:10,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 15:51:10,511 INFO L225 Difference]: With dead ends: 1877 [2020-09-24 15:51:10,511 INFO L226 Difference]: Without dead ends: 865 [2020-09-24 15:51:10,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=108, Invalid=272, Unknown=0, NotChecked=0, Total=380 [2020-09-24 15:51:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2020-09-24 15:51:10,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 784. [2020-09-24 15:51:10,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2020-09-24 15:51:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 869 transitions. [2020-09-24 15:51:10,631 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 869 transitions. Word has length 299 [2020-09-24 15:51:10,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 15:51:10,631 INFO L479 AbstractCegarLoop]: Abstraction has 784 states and 869 transitions. [2020-09-24 15:51:10,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 15:51:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 869 transitions. [2020-09-24 15:51:10,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-09-24 15:51:10,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 15:51:10,637 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:51:10,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-24 15:51:10,637 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 15:51:10,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 15:51:10,638 INFO L82 PathProgramCache]: Analyzing trace with hash 169391274, now seen corresponding path program 2 times [2020-09-24 15:51:10,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 15:51:10,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [958858126] [2020-09-24 15:51:10,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 15:51:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 15:51:10,760 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 15:51:10,760 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 15:51:10,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-24 15:51:10,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 03:51:10 BoogieIcfgContainer [2020-09-24 15:51:10,826 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 15:51:10,829 INFO L168 Benchmark]: Toolchain (without parser) took 55182.17 ms. Allocated memory was 148.9 MB in the beginning and 891.3 MB in the end (delta: 742.4 MB). Free memory was 104.4 MB in the beginning and 164.2 MB in the end (delta: -59.7 MB). Peak memory consumption was 682.7 MB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,830 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,830 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.66 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.8 MB in the beginning and 174.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,831 INFO L168 Benchmark]: Boogie Preprocessor took 96.50 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 170.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,834 INFO L168 Benchmark]: RCFGBuilder took 1184.23 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.8 MB in the beginning and 173.8 MB in the end (delta: -3.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,841 INFO L168 Benchmark]: TraceAbstraction took 53168.34 ms. Allocated memory was 234.9 MB in the beginning and 891.3 MB in the end (delta: 656.4 MB). Free memory was 173.8 MB in the beginning and 164.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 666.1 MB. Max. memory is 7.1 GB. [2020-09-24 15:51:10,851 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.9 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 723.66 ms. Allocated memory was 148.9 MB in the beginning and 205.5 MB in the end (delta: 56.6 MB). Free memory was 103.8 MB in the beginning and 174.9 MB in the end (delta: -71.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.50 ms. Allocated memory is still 205.5 MB. Free memory was 174.9 MB in the beginning and 170.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.23 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.8 MB in the beginning and 173.8 MB in the end (delta: -3.0 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53168.34 ms. Allocated memory was 234.9 MB in the beginning and 891.3 MB in the end (delta: 656.4 MB). Free memory was 173.8 MB in the beginning and 164.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 666.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 310]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L120] int pumpRunning = 0; [L121] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L415] int waterLevel = 1; [L416] int methaneLevelCritical = 0; [L713] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L391] int retValue_acc ; [L392] int tmp ; [L396] FCALL select_helpers() [L397] FCALL select_features() [L398] CALL, EXPR valid_product() [L535] int retValue_acc ; [L538] retValue_acc = 1 [L539] return (retValue_acc); [L398] RET, EXPR valid_product() [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L402] FCALL setup() [L403] CALL runTest() [L382] CALL test() [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND TRUE \read(tmp) [L67] CALL waterRise() [L433] COND TRUE waterLevel < 2 [L434] waterLevel = waterLevel + 1 [L67] RET waterRise() [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND FALSE !(\read(pumpRunning)) [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND TRUE ! pumpRunning [L162] CALL, EXPR isHighWaterLevel() [L272] int retValue_acc ; [L273] int tmp ; [L274] int tmp___0 ; [L278] CALL, EXPR isHighWaterSensorDry() [L495] int retValue_acc ; [L498] COND FALSE !(waterLevel < 2) [L502] retValue_acc = 0 [L503] return (retValue_acc); [L278] RET, EXPR isHighWaterSensorDry() [L278] tmp = isHighWaterSensorDry() [L280] COND FALSE !(\read(tmp)) [L283] tmp___0 = 1 [L285] retValue_acc = tmp___0 [L286] return (retValue_acc); [L162] RET, EXPR isHighWaterLevel() [L162] tmp = isHighWaterLevel() [L164] COND TRUE \read(tmp) [L166] CALL activatePump() [L191] int tmp ; [L195] CALL, EXPR isMethaneAlarm() [L216] int retValue_acc ; [L220] CALL, EXPR isMethaneLevelCritical() [L454] int retValue_acc ; [L457] retValue_acc = methaneLevelCritical [L458] return (retValue_acc); [L220] RET, EXPR isMethaneLevelCritical() [L220] retValue_acc = isMethaneLevelCritical() [L222] return (retValue_acc); [L195] RET, EXPR isMethaneAlarm() [L195] tmp = isMethaneAlarm() [L197] COND FALSE !(\read(tmp)) [L201] CALL activatePump__wrappee__highWaterSensor() [L185] pumpRunning = 1 [L201] RET activatePump__wrappee__highWaterSensor() [L166] RET activatePump() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L143] RET __utac_acc__Specification4_spec__1() [L100] RET timeShift() [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND TRUE \read(pumpRunning) [L130] CALL lowerWaterLevel() [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 [L130] RET lowerWaterLevel() [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND FALSE !(! pumpRunning) [L175] FCALL processEnvironment__wrappee__base() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND FALSE !(tmp == 0) [L143] RET __utac_acc__Specification4_spec__1() [L100] RET timeShift() [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L100] CALL timeShift() [L128] COND TRUE \read(pumpRunning) [L130] CALL lowerWaterLevel() [L421] COND TRUE waterLevel > 0 [L422] waterLevel = waterLevel - 1 [L130] RET lowerWaterLevel() [L135] COND TRUE \read(systemActive) [L137] CALL processEnvironment() [L157] int tmp ; [L160] COND FALSE !(! pumpRunning) [L175] FCALL processEnvironment__wrappee__base() [L137] RET processEnvironment() [L143] CALL __utac_acc__Specification4_spec__1() [L911] int tmp ; [L912] int tmp___0 ; [L916] CALL, EXPR getWaterLevel() [L486] int retValue_acc ; [L489] retValue_acc = waterLevel [L490] return (retValue_acc); [L916] RET, EXPR getWaterLevel() [L916] tmp = getWaterLevel() [L918] COND TRUE tmp == 0 [L920] CALL, EXPR isPumpRunning() [L227] int retValue_acc ; [L230] retValue_acc = pumpRunning [L231] return (retValue_acc); [L920] RET, EXPR isPumpRunning() [L920] tmp___0 = isPumpRunning() [L922] COND TRUE \read(tmp___0) [L924] CALL __automaton_fail() [L310] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 621 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.0s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 43.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2597 SDtfs, 5749 SDslu, 4612 SDs, 0 SdLazy, 9908 SolverSat, 1851 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 473 GetRequests, 305 SyntacticMatches, 8 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1470occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 963 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2301 NumberOfCodeBlocks, 2301 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1985 ConstructedInterpolants, 0 QuantifiedInterpolants, 972696 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 193/204 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...