/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:42:33,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:42:33,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:42:33,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:42:33,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:42:33,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:42:33,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:42:33,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:42:33,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:42:33,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:42:33,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:42:33,641 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:42:33,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:42:33,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:42:33,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:42:33,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:42:33,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:42:33,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:42:33,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:42:33,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:42:33,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:42:33,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:42:33,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:42:33,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:42:33,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:42:33,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:42:33,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:42:33,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:42:33,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:42:33,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:42:33,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:42:33,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:42:33,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:42:33,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:42:33,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:42:33,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:42:33,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:42:33,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:42:33,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:42:33,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:42:33,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:42:33,677 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 23:42:33,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:42:33,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:42:33,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:42:33,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:42:33,743 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:42:33,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:42:33,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:42:33,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:42:33,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:42:33,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:42:33,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:42:33,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:42:33,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:42:33,744 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:42:33,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:42:33,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:42:33,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:42:33,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:42:33,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:42:33,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:42:33,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:42:33,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:42:33,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:42:33,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:42:33,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:42:33,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:42:33,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:42:33,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:42:33,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:42:33,749 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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;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;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-24 23:42:34,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:42:34,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:42:34,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:42:34,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:42:34,291 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:42:34,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 23:42:34,373 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea05bb4f4/b5f29894e97d4315a8d8cf05a85c9540/FLAGa4fa97be4 [2020-09-24 23:42:35,038 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:42:35,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product56.cil.c [2020-09-24 23:42:35,055 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea05bb4f4/b5f29894e97d4315a8d8cf05a85c9540/FLAGa4fa97be4 [2020-09-24 23:42:35,308 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ea05bb4f4/b5f29894e97d4315a8d8cf05a85c9540 [2020-09-24 23:42:35,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:42:35,330 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:42:35,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:42:35,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:42:35,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:42:35,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:42:35" (1/1) ... [2020-09-24 23:42:35,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61a615dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:35, skipping insertion in model container [2020-09-24 23:42:35,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:42:35" (1/1) ... [2020-09-24 23:42:35,352 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:42:35,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:42:35,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:42:35,926 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:42:36,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:42:36,058 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:42:36,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36 WrapperNode [2020-09-24 23:42:36,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:42:36,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:42:36,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:42:36,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:42:36,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (1/1) ... [2020-09-24 23:42:36,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:42:36,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:42:36,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:42:36,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:42:36,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (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 23:42:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:42:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:42:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:42:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:42:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:42:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:42:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:42:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:42:36,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:42:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:42:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:42:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:42:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:42:36,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:42:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 23:42:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:42:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:42:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:42:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:42:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:42:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:42:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:42:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:42:36,244 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:42:36,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:42:36,246 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:42:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:42:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:42:36,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:42:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:42:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:42:36,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:42:36,248 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:42:36,249 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:42:36,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:42:36,251 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 23:42:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:42:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:42:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:42:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:42:36,252 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:42:36,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:42:36,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:42:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:42:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:42:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:42:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:42:36,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:42:36,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:42:36,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:42:37,491 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:42:37,492 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:42:37,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:42:37 BoogieIcfgContainer [2020-09-24 23:42:37,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:42:37,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:42:37,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:42:37,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:42:37,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:42:35" (1/3) ... [2020-09-24 23:42:37,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54389f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:42:37, skipping insertion in model container [2020-09-24 23:42:37,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:36" (2/3) ... [2020-09-24 23:42:37,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54389f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:42:37, skipping insertion in model container [2020-09-24 23:42:37,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:42:37" (3/3) ... [2020-09-24 23:42:37,511 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product56.cil.c [2020-09-24 23:42:37,525 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:42:37,539 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:42:37,565 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:42:37,603 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:42:37,603 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:42:37,603 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:42:37,604 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:42:37,604 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:42:37,604 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:42:37,604 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:42:37,604 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:42:37,637 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-09-24 23:42:37,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 23:42:37,658 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:37,660 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:37,661 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:37,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:37,669 INFO L82 PathProgramCache]: Analyzing trace with hash -36898584, now seen corresponding path program 1 times [2020-09-24 23:42:37,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:37,683 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930112833] [2020-09-24 23:42:37,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:38,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:38,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:43,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:43,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 23:42:43,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:42:43,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-09-24 23:42:43,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:43,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:42:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 23:42:43,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 113 [2020-09-24 23:42:43,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:42:43,566 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:43,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:43,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:43,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:43,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:43,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:43,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 287 [2020-09-24 23:42:43,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:43,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:43,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 23:42:43,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:43,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:43,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:43,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:43,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:43,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:43,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:43,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:43,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:43,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:44,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:44,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:44,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:44,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:42:44,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:44,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:44,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:44,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:44,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:44,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:44,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:42:44,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:42:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:44,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:42:44,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:42:44,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:44,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:44,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 23:42:44,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:44,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:44,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:44,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:44,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:42:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:44,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:44,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:44,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:44,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:42:44,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:44,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:44,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:44,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:44,239 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 23:42:44,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930112833] [2020-09-24 23:42:44,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:44,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:42:44,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904193772] [2020-09-24 23:42:44,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:42:44,254 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:44,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:42:44,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:42:44,286 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 9 states. [2020-09-24 23:42:45,247 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:46,041 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:46,387 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:47,971 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:48,279 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:48,634 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:49,085 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:49,401 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:49,694 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:50,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:42:50,876 INFO L93 Difference]: Finished difference Result 703 states and 854 transitions. [2020-09-24 23:42:50,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:42:50,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 23:42:50,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:42:50,903 INFO L225 Difference]: With dead ends: 703 [2020-09-24 23:42:50,903 INFO L226 Difference]: Without dead ends: 467 [2020-09-24 23:42:50,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:42:50,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-24 23:42:51,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 416. [2020-09-24 23:42:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-09-24 23:42:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 468 transitions. [2020-09-24 23:42:51,098 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 468 transitions. Word has length 160 [2020-09-24 23:42:51,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:42:51,101 INFO L479 AbstractCegarLoop]: Abstraction has 416 states and 468 transitions. [2020-09-24 23:42:51,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:42:51,101 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 468 transitions. [2020-09-24 23:42:51,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 23:42:51,117 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:51,117 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:51,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:42:51,124 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:51,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:51,125 INFO L82 PathProgramCache]: Analyzing trace with hash 311325871, now seen corresponding path program 1 times [2020-09-24 23:42:51,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:51,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [106518451] [2020-09-24 23:42:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:51,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 23:42:53,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:53,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2173 [2020-09-24 23:42:53,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 23:42:53,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:42:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:53,744 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:53,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-09-24 23:42:53,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:53,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:42:53,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:53,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:42:53,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:53,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:53,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:53,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:53,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:53,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:53,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:42:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:42:53,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:53,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:53,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:53,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:53,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:53,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:53,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:53,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:42:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:53,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:53,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:42:54,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-09-24 23:42:54,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:42:54,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:54,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:42:54,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-09-24 23:42:54,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:42:54,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:54,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:42:54,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 23:42:54,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:54,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:42:54,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:54,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:42:54,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-09-24 23:42:54,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:54,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:42:54,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:42:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:42:54,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:54,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:54,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:54,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:42:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:54,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:54,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:42:54,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:54,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:42:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:54,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:54,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:54,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 23:42:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:54,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:54,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:54,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:54,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:54,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:54,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:54,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:42:54,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [106518451] [2020-09-24 23:42:54,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:54,552 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:42:54,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830342248] [2020-09-24 23:42:54,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:42:54,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:54,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:42:54,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:42:54,559 INFO L87 Difference]: Start difference. First operand 416 states and 468 transitions. Second operand 11 states. [2020-09-24 23:42:55,338 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:56,593 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:56,885 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:57,214 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:57,526 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:57,881 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:42:58,227 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:59,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:42:59,577 INFO L93 Difference]: Finished difference Result 782 states and 924 transitions. [2020-09-24 23:42:59,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:42:59,578 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 23:42:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:42:59,584 INFO L225 Difference]: With dead ends: 782 [2020-09-24 23:42:59,584 INFO L226 Difference]: Without dead ends: 481 [2020-09-24 23:42:59,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-09-24 23:42:59,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-24 23:42:59,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 413. [2020-09-24 23:42:59,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2020-09-24 23:42:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 457 transitions. [2020-09-24 23:42:59,654 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 457 transitions. Word has length 204 [2020-09-24 23:42:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:42:59,655 INFO L479 AbstractCegarLoop]: Abstraction has 413 states and 457 transitions. [2020-09-24 23:42:59,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:42:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 457 transitions. [2020-09-24 23:42:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 23:42:59,659 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:59,659 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:59,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:42:59,660 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:59,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:59,660 INFO L82 PathProgramCache]: Analyzing trace with hash 2026418, now seen corresponding path program 1 times [2020-09-24 23:42:59,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:59,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419371868] [2020-09-24 23:42:59,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:59,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:00,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:00,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 23:43:00,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 925 [2020-09-24 23:43:00,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 203 [2020-09-24 23:43:00,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:00,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:00,955 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:00,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:00,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:01,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 23:43:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:01,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:01,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:01,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:01,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:01,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:43:01,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:01,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:01,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:43:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:01,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:01,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:01,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:43:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:43:01,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-09-24 23:43:01,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:01,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 23:43:01,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:01,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 23:43:01,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:01,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:43:01,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 23:43:01,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:43:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:01,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:43:01,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:43:01,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:43:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:01,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:43:01,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:43:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:01,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:01,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:01,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:01,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:43:01,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 23:43:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:01,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:01,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 23:43:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:01,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:01,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:01,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:01,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:01,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:01,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:01,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:01,602 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:01,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419371868] [2020-09-24 23:43:01,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:01,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:43:01,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300399542] [2020-09-24 23:43:01,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:43:01,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:01,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:43:01,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:43:01,605 INFO L87 Difference]: Start difference. First operand 413 states and 457 transitions. Second operand 10 states. [2020-09-24 23:43:03,155 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:03,491 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:03,803 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:04,123 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:04,414 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:05,720 INFO L93 Difference]: Finished difference Result 860 states and 1048 transitions. [2020-09-24 23:43:05,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:43:05,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 217 [2020-09-24 23:43:05,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:05,727 INFO L225 Difference]: With dead ends: 860 [2020-09-24 23:43:05,727 INFO L226 Difference]: Without dead ends: 562 [2020-09-24 23:43:05,728 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:43:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-09-24 23:43:05,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 419. [2020-09-24 23:43:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-24 23:43:05,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 463 transitions. [2020-09-24 23:43:05,788 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 463 transitions. Word has length 217 [2020-09-24 23:43:05,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:05,789 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 463 transitions. [2020-09-24 23:43:05,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:43:05,789 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 463 transitions. [2020-09-24 23:43:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-24 23:43:05,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:05,793 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:05,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:43:05,793 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:05,794 INFO L82 PathProgramCache]: Analyzing trace with hash 2141932335, now seen corresponding path program 1 times [2020-09-24 23:43:05,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:05,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362856538] [2020-09-24 23:43:05,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:05,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:07,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:07,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 266 [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1604 [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:43:07,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-09-24 23:43:07,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:07,794 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:07,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:07,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:08,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 329 [2020-09-24 23:43:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:43:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:08,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:08,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:08,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:08,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:08,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:08,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:43:08,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:08,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:08,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:08,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:08,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:08,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:08,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:08,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:08,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:43:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:08,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:08,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:08,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:08,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:08,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:08,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:08,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:08,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:43:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:43:08,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:43:08,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 23:43:08,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 23:43:08,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:43:08,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-24 23:43:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:43:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:43:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-24 23:43:08,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 23:43:08,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:08,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:43:08,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:08,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:08,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:43:08,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:08,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:08,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:08,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:08,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 23:43:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:08,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:08,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-24 23:43:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:08,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:08,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:08,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:08,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:08,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:08,600 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362856538] [2020-09-24 23:43:08,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:08,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:43:08,601 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258852089] [2020-09-24 23:43:08,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:43:08,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:08,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:43:08,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:43:08,603 INFO L87 Difference]: Start difference. First operand 419 states and 463 transitions. Second operand 8 states. [2020-09-24 23:43:09,191 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:09,895 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:13,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:13,330 INFO L93 Difference]: Finished difference Result 1244 states and 1540 transitions. [2020-09-24 23:43:13,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-24 23:43:13,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 217 [2020-09-24 23:43:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:13,338 INFO L225 Difference]: With dead ends: 1244 [2020-09-24 23:43:13,338 INFO L226 Difference]: Without dead ends: 940 [2020-09-24 23:43:13,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 46 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-09-24 23:43:13,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-09-24 23:43:13,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 723. [2020-09-24 23:43:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2020-09-24 23:43:13,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 817 transitions. [2020-09-24 23:43:13,483 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 817 transitions. Word has length 217 [2020-09-24 23:43:13,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:13,484 INFO L479 AbstractCegarLoop]: Abstraction has 723 states and 817 transitions. [2020-09-24 23:43:13,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:43:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 817 transitions. [2020-09-24 23:43:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-09-24 23:43:13,488 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:13,488 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:13,488 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:43:13,489 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:13,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -388346294, now seen corresponding path program 1 times [2020-09-24 23:43:13,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:13,490 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886384158] [2020-09-24 23:43:13,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:18,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:18,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-09-24 23:43:18,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:43:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-09-24 23:43:18,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:43:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 23:43:18,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 179 [2020-09-24 23:43:18,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,005 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:19,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 285 [2020-09-24 23:43:19,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 23:43:19,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:19,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:19,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:19,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:19,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:19,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:19,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:19,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:19,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:43:19,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:19,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:19,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:19,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:19,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:19,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:43:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:43:19,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:43:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:43:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:43:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:19,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:43:19,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:19,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:43:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:19,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:43:19,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:19,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 23:43:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-24 23:43:19,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 23:43:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:43:19,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:43:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:43:19,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:43:19,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:19,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:19,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:19,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:19,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:43:19,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:19,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:19,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 23:43:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:19,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:43:19,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:19,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:19,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-09-24 23:43:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:19,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:19,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:19,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:19,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:19,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:19,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:19,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:19,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:19,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886384158] [2020-09-24 23:43:19,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:19,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 23:43:19,818 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52558624] [2020-09-24 23:43:19,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 23:43:19,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:19,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 23:43:19,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-09-24 23:43:19,820 INFO L87 Difference]: Start difference. First operand 723 states and 817 transitions. Second operand 14 states. [2020-09-24 23:43:20,506 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:21,542 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:22,767 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:43:23,127 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 23:43:23,549 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:23,916 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:43:24,283 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:24,666 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:25,098 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:43:25,454 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 193