/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:41:23,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:41:23,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:41:23,124 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:41:23,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:41:23,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:41:23,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:41:23,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:41:23,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:41:23,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:41:23,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:41:23,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:41:23,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:41:23,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:41:23,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:41:23,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:41:23,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:41:23,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:41:23,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:41:23,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:41:23,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:41:23,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:41:23,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:41:23,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:41:23,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:41:23,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:41:23,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:41:23,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:41:23,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:41:23,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:41:23,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:41:23,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:41:23,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:41:23,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:41:23,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:41:23,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:41:23,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:41:23,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:41:23,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:41:23,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:41:23,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:41:23,163 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 23:41:23,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:41:23,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:41:23,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:41:23,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:41:23,191 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:41:23,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:41:23,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:41:23,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:41:23,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:41:23,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:41:23,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:41:23,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:41:23,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:41:23,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:41:23,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:41:23,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:41:23,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:41:23,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:41:23,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:41:23,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:41:23,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:41:23,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:41:23,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:41:23,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:41:23,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:41:23,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:41:23,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:41:23,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:41:23,199 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:41:23,199 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 23:41:23,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:41:23,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:41:23,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:41:23,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:41:23,700 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:41:23,701 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-24 23:41:23,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57939475/d175785db072413b8a8c1aa7ba18ff93/FLAGb0d4b093a [2020-09-24 23:41:24,376 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:41:24,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product34.cil.c [2020-09-24 23:41:24,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57939475/d175785db072413b8a8c1aa7ba18ff93/FLAGb0d4b093a [2020-09-24 23:41:24,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c57939475/d175785db072413b8a8c1aa7ba18ff93 [2020-09-24 23:41:24,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:41:24,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:41:24,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:41:24,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:41:24,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:41:24,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:41:24" (1/1) ... [2020-09-24 23:41:24,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:24, skipping insertion in model container [2020-09-24 23:41:24,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:41:24" (1/1) ... [2020-09-24 23:41:24,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:41:24,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:41:25,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:41:25,137 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:41:25,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:41:25,345 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:41:25,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25 WrapperNode [2020-09-24 23:41:25,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:41:25,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:41:25,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:41:25,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:41:25,360 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (1/1) ... [2020-09-24 23:41:25,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:41:25,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:41:25,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:41:25,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:41:25,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (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 23:41:25,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:41:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:41:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:41:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:41:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:41:25,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:41:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:41:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:41:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:41:25,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:41:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:41:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:41:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:41:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:41:25,546 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:41:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:41:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:41:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:41:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:41:25,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:41:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:41:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:41:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:41:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:41:25,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:41:25,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:41:25,550 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:41:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:41:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:41:25,551 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:41:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:41:25,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:41:25,552 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:41:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:41:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:41:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:41:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:41:25,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:41:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:41:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:41:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:41:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:41:25,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:41:25,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:41:25,556 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:41:25,557 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:41:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:41:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:41:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:41:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:41:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:41:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:41:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:41:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:41:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:41:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:41:25,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:41:26,796 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:41:26,796 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:41:26,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:41:26 BoogieIcfgContainer [2020-09-24 23:41:26,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:41:26,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:41:26,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:41:26,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:41:26,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:41:24" (1/3) ... [2020-09-24 23:41:26,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cb81f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:41:26, skipping insertion in model container [2020-09-24 23:41:26,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:41:25" (2/3) ... [2020-09-24 23:41:26,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cb81f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:41:26, skipping insertion in model container [2020-09-24 23:41:26,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:41:26" (3/3) ... [2020-09-24 23:41:26,820 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2020-09-24 23:41:26,831 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:41:26,842 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:41:26,863 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:41:26,893 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:41:26,893 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:41:26,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:41:26,894 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:41:26,894 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:41:26,894 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:41:26,894 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:41:26,894 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:41:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states. [2020-09-24 23:41:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 23:41:26,939 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:26,940 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 23:41:26,941 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:26,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:26,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1009197842, now seen corresponding path program 1 times [2020-09-24 23:41:26,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:26,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [216510546] [2020-09-24 23:41:26,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:27,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:29,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:32,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:32,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 23:41:32,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:41:32,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-09-24 23:41:32,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:32,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:41:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-09-24 23:41:32,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 112 [2020-09-24 23:41:32,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 23:41:33,044 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:33,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:33,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 347 [2020-09-24 23:41:33,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-09-24 23:41:33,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:33,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:33,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:33,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:33,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:33,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:41:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:33,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:33,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:33,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:33,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:33,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:33,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:41:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:33,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:41:33,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:41:33,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:33,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:33,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:33,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:33,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 23:41:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:33,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:33,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:33,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:33,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:41:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:33,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:33,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:33,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:33,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:33,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 23:41:33,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:33,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:33,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:33,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:33,785 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 23:41:33,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [216510546] [2020-09-24 23:41:33,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:33,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:41:33,790 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022267448] [2020-09-24 23:41:33,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:41:33,799 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:33,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:41:33,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:41:33,826 INFO L87 Difference]: Start difference. First operand 295 states. Second operand 9 states. [2020-09-24 23:41:34,533 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:35,271 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:35,601 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:41:36,798 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:37,109 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:37,433 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:37,861 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:38,207 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:41:38,517 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:39,048 INFO L93 Difference]: Finished difference Result 552 states and 668 transitions. [2020-09-24 23:41:39,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:41:39,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 23:41:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:39,072 INFO L225 Difference]: With dead ends: 552 [2020-09-24 23:41:39,072 INFO L226 Difference]: Without dead ends: 381 [2020-09-24 23:41:39,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 5 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 23:41:39,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2020-09-24 23:41:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 333. [2020-09-24 23:41:39,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-09-24 23:41:39,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 372 transitions. [2020-09-24 23:41:39,234 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 372 transitions. Word has length 160 [2020-09-24 23:41:39,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:39,236 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 372 transitions. [2020-09-24 23:41:39,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:41:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 372 transitions. [2020-09-24 23:41:39,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-24 23:41:39,247 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:39,248 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] [2020-09-24 23:41:39,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:41:39,248 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:39,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:39,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1749038949, now seen corresponding path program 1 times [2020-09-24 23:41:39,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:39,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043429282] [2020-09-24 23:41:39,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:39,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:39,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-24 23:41:41,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:41:41,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2157 [2020-09-24 23:41:41,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 23:41:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:41:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:41,733 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:41,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:41,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-09-24 23:41:41,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:41,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:41,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:41,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:41,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:41,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:41,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:41,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:41,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:41:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:41,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:41,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:41:41,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:41,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:41,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:41,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:41,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:41,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:41,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:41,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:41,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:41,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:41:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:41,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:41,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:42,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:41:42,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-09-24 23:41:42,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:41:42,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:41:42,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:41:42,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:42,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:42,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:42,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:42,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 23:41:42,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:42,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:42,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:41:42,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 23:41:42,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:42,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:42,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:42,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:42,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:42,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:42,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:42,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:42,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:42,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:42,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:42,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:41:42,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:42,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:42,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-09-24 23:41:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:42,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:42,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:42,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:42,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:42,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:42,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:42,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:41:42,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:42,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:42,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:42,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:42,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:42,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:42,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:42,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:42,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:42,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:42,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:42,273 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 23:41:42,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043429282] [2020-09-24 23:41:42,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:42,274 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:41:42,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495893099] [2020-09-24 23:41:42,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:41:42,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:42,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:41:42,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:41:42,280 INFO L87 Difference]: Start difference. First operand 333 states and 372 transitions. Second operand 11 states. [2020-09-24 23:41:43,016 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:44,183 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:44,479 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:44,794 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:41:45,117 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:45,454 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:41:45,760 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:41:46,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:46,335 INFO L93 Difference]: Finished difference Result 607 states and 715 transitions. [2020-09-24 23:41:46,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:41:46,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-09-24 23:41:46,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:46,341 INFO L225 Difference]: With dead ends: 607 [2020-09-24 23:41:46,341 INFO L226 Difference]: Without dead ends: 389 [2020-09-24 23:41:46,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-09-24 23:41:46,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-09-24 23:41:46,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 324. [2020-09-24 23:41:46,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-24 23:41:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 354 transitions. [2020-09-24 23:41:46,390 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 354 transitions. Word has length 194 [2020-09-24 23:41:46,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:46,390 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 354 transitions. [2020-09-24 23:41:46,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:41:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 354 transitions. [2020-09-24 23:41:46,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 23:41:46,393 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:46,394 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] [2020-09-24 23:41:46,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:41:46,394 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:46,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:46,394 INFO L82 PathProgramCache]: Analyzing trace with hash 543186698, now seen corresponding path program 1 times [2020-09-24 23:41:46,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:46,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146872432] [2020-09-24 23:41:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:46,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 23:41:47,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 754 [2020-09-24 23:41:47,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:47,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 193 [2020-09-24 23:41:47,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:41:47,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,496 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:47,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:47,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-09-24 23:41:47,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:47,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:47,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:47,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:47,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:41:47,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:47,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:47,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:41:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:47,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:41:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:47,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:47,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:47,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:41:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:47,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-09-24 23:41:47,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:41:47,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:41:47,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:47,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-24 23:41:47,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:41:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:41:47,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:41:47,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:47,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:41:47,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:41:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:47,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:47,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:41:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 23:41:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:47,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 23:41:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:47,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:47,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:47,974 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 23:41:47,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146872432] [2020-09-24 23:41:47,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:47,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 23:41:47,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075312825] [2020-09-24 23:41:47,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 23:41:47,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:47,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 23:41:47,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 23:41:47,978 INFO L87 Difference]: Start difference. First operand 324 states and 354 transitions. Second operand 10 states. [2020-09-24 23:41:49,351 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:41:49,670 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:41:49,989 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:50,320 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:41:50,650 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:41:51,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:51,236 INFO L93 Difference]: Finished difference Result 676 states and 820 transitions. [2020-09-24 23:41:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:41:51,237 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 207 [2020-09-24 23:41:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:51,242 INFO L225 Difference]: With dead ends: 676 [2020-09-24 23:41:51,242 INFO L226 Difference]: Without dead ends: 467 [2020-09-24 23:41:51,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:41:51,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2020-09-24 23:41:51,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 330. [2020-09-24 23:41:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2020-09-24 23:41:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 360 transitions. [2020-09-24 23:41:51,286 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 360 transitions. Word has length 207 [2020-09-24 23:41:51,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:51,287 INFO L479 AbstractCegarLoop]: Abstraction has 330 states and 360 transitions. [2020-09-24 23:41:51,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 23:41:51,288 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 360 transitions. [2020-09-24 23:41:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-09-24 23:41:51,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:51,291 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] [2020-09-24 23:41:51,291 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:41:51,291 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:51,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:51,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1587935993, now seen corresponding path program 1 times [2020-09-24 23:41:51,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:51,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759942525] [2020-09-24 23:41:51,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:51,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:52,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:52,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-09-24 23:41:52,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:52,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1358 [2020-09-24 23:41:52,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:52,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:41:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:41:52,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 23:41:52,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,001 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:41:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:41:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 252 [2020-09-24 23:41:53,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:41:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:41:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:53,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:41:53,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:53,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:41:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:53,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:53,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:53,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:41:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:53,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:41:53,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:41:53,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:41:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:41:53,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:53,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:41:53,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:41:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:53,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:41:53,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:53,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 23:41:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:53,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:41:53,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:53,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:41:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:41:53,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:41:53,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:41:53,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:41:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:53,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:41:53,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:53,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-24 23:41:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:41:53,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 23:41:53,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 23:41:53,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-09-24 23:41:53,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:53,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:41:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:41:53,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-24 23:41:53,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:41:53,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:53,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:41:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:41:53,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:41:53,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:41:53,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:41:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:41:53,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:41:53,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:41:53,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:41:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:41:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-09-24 23:41:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:53,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:53,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:53,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:41:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-24 23:41:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:53,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:53,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:41:53,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:41:53,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:41:53,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:41:53,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:41:53,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:41:53,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:41:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:41:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:41:53,690 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 23:41:53,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759942525] [2020-09-24 23:41:53,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:41:53,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 23:41:53,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102894607] [2020-09-24 23:41:53,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 23:41:53,695 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:41:53,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 23:41:53,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-24 23:41:53,696 INFO L87 Difference]: Start difference. First operand 330 states and 360 transitions. Second operand 8 states. [2020-09-24 23:41:54,403 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:55,757 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:41:57,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:41:57,933 INFO L93 Difference]: Finished difference Result 1186 states and 1519 transitions. [2020-09-24 23:41:57,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-24 23:41:57,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2020-09-24 23:41:57,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:41:57,948 INFO L225 Difference]: With dead ends: 1186 [2020-09-24 23:41:57,948 INFO L226 Difference]: Without dead ends: 971 [2020-09-24 23:41:57,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650 [2020-09-24 23:41:57,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-09-24 23:41:58,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 651. [2020-09-24 23:41:58,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2020-09-24 23:41:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 746 transitions. [2020-09-24 23:41:58,081 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 746 transitions. Word has length 207 [2020-09-24 23:41:58,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:41:58,083 INFO L479 AbstractCegarLoop]: Abstraction has 651 states and 746 transitions. [2020-09-24 23:41:58,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 23:41:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 746 transitions. [2020-09-24 23:41:58,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-24 23:41:58,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:41:58,087 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] [2020-09-24 23:41:58,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:41:58,088 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:41:58,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:41:58,088 INFO L82 PathProgramCache]: Analyzing trace with hash 445785641, now seen corresponding path program 1 times [2020-09-24 23:41:58,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:41:58,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1466964915] [2020-09-24 23:41:58,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:41:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:41:58,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:41:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 259 [2020-09-24 23:42:03,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:03,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-24 23:42:03,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:42:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:42:03,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-09-24 23:42:03,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-09-24 23:42:03,537 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:03,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:03,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 204 [2020-09-24 23:42:03,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:42:03,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:03,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:03,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:03,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:03,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:03,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:03,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:03,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:42:03,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:03,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:03,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:03,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:42:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:42:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:42:03,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:42:03,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:42:03,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:03,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-24 23:42:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:03,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:03,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:42:03,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 23:42:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:03,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-24 23:42:03,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:42:03,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:03,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:03,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:03,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:03,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:03,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:03,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:03,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:03,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:03,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-24 23:42:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:42:04,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 23:42:04,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:04,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:04,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-09-24 23:42:04,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:42:04,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:42:04,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:04,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:04,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:04,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:42:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:42:04,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:04,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:04,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:04,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:42:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:04,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:04,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:04,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:04,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-24 23:42:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:04,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:42:04,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:04,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:04,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:04,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-24 23:42:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:04,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:04,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:04,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:04,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:04,185 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 23:42:04,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1466964915] [2020-09-24 23:42:04,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:04,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-24 23:42:04,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335871944] [2020-09-24 23:42:04,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-24 23:42:04,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:04,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-24 23:42:04,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2020-09-24 23:42:04,187 INFO L87 Difference]: Start difference. First operand 651 states and 746 transitions. Second operand 14 states. [2020-09-24 23:42:04,771 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:05,586 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:06,887 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 23:42:07,486 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 23:42:07,810 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:08,127 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:08,506 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:08,816 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:10,691 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:10,981 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-24 23:42:11,583 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 189 [2020-09-24 23:42:11,924 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:13,400 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-24 23:42:14,042 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2020-09-24 23:42:14,660 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-24 23:42:14,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:42:14,878 INFO L93 Difference]: Finished difference Result 2296 states and 2895 transitions. [2020-09-24 23:42:14,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-24 23:42:14,878 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-24 23:42:14,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:42:14,889 INFO L225 Difference]: With dead ends: 2296 [2020-09-24 23:42:14,889 INFO L226 Difference]: Without dead ends: 1760 [2020-09-24 23:42:14,893 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 41 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=695, Invalid=2611, Unknown=0, NotChecked=0, Total=3306 [2020-09-24 23:42:14,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-09-24 23:42:15,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1150. [2020-09-24 23:42:15,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2020-09-24 23:42:15,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1312 transitions. [2020-09-24 23:42:15,065 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1312 transitions. Word has length 212 [2020-09-24 23:42:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:42:15,066 INFO L479 AbstractCegarLoop]: Abstraction has 1150 states and 1312 transitions. [2020-09-24 23:42:15,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-24 23:42:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1312 transitions. [2020-09-24 23:42:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-09-24 23:42:15,070 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:15,071 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:42:15,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 23:42:15,071 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:15,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:15,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1823076909, now seen corresponding path program 1 times [2020-09-24 23:42:15,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:15,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331426392] [2020-09-24 23:42:15,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:15,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking...