/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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 23:42:29,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 23:42:29,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 23:42:29,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 23:42:29,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 23:42:29,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 23:42:29,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 23:42:29,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 23:42:29,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 23:42:29,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 23:42:29,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 23:42:29,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 23:42:29,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 23:42:29,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 23:42:29,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 23:42:29,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 23:42:29,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 23:42:29,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 23:42:29,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 23:42:29,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 23:42:29,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 23:42:29,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 23:42:29,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 23:42:29,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 23:42:29,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 23:42:29,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 23:42:29,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 23:42:29,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 23:42:29,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 23:42:29,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 23:42:29,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 23:42:29,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 23:42:29,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 23:42:29,727 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 23:42:29,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 23:42:29,729 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 23:42:29,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 23:42:29,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 23:42:29,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 23:42:29,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 23:42:29,732 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 23:42:29,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 23:42:29,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 23:42:29,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 23:42:29,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 23:42:29,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 23:42:29,781 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 23:42:29,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 23:42:29,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 23:42:29,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 23:42:29,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 23:42:29,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 23:42:29,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 23:42:29,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 23:42:29,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 23:42:29,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 23:42:29,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 23:42:29,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 23:42:29,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 23:42:29,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 23:42:29,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 23:42:29,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 23:42:29,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 23:42:29,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:42:29,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 23:42:29,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 23:42:29,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 23:42:29,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 23:42:29,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 23:42:29,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 23:42:29,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 23:42:29,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-24 23:42:30,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 23:42:30,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 23:42:30,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 23:42:30,278 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 23:42:30,278 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 23:42:30,279 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-24 23:42:30,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4e44ede7/0a68dd4e08474c67abad19c3c4de91f8/FLAG6cae59b60 [2020-09-24 23:42:31,064 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 23:42:31,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-24 23:42:31,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4e44ede7/0a68dd4e08474c67abad19c3c4de91f8/FLAG6cae59b60 [2020-09-24 23:42:31,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f4e44ede7/0a68dd4e08474c67abad19c3c4de91f8 [2020-09-24 23:42:31,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 23:42:31,345 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 23:42:31,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 23:42:31,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 23:42:31,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 23:42:31,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:42:31" (1/1) ... [2020-09-24 23:42:31,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d2c9f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:31, skipping insertion in model container [2020-09-24 23:42:31,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:42:31" (1/1) ... [2020-09-24 23:42:31,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 23:42:31,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 23:42:31,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:42:31,910 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 23:42:32,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 23:42:32,109 INFO L208 MainTranslator]: Completed translation [2020-09-24 23:42:32,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32 WrapperNode [2020-09-24 23:42:32,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 23:42:32,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 23:42:32,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 23:42:32,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 23:42:32,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... [2020-09-24 23:42:32,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 23:42:32,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 23:42:32,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 23:42:32,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 23:42:32,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 23:42:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 23:42:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 23:42:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 23:42:32,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 23:42:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 23:42:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 23:42:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 23:42:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 23:42:32,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 23:42:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 23:42:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 23:42:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:42:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 23:42:32,289 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 23:42:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 23:42:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 23:42:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 23:42:32,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 23:42:32,291 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 23:42:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 23:42:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 23:42:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:42:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:42:32,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 23:42:32,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 23:42:32,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 23:42:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-24 23:42:32,295 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 23:42:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 23:42:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 23:42:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 23:42:32,295 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 23:42:32,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 23:42:32,297 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 23:42:32,298 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 23:42:32,299 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 23:42:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 23:42:32,301 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 23:42:32,302 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 23:42:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 23:42:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 23:42:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 23:42:33,508 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 23:42:33,508 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 23:42:33,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:42:33 BoogieIcfgContainer [2020-09-24 23:42:33,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 23:42:33,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 23:42:33,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 23:42:33,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 23:42:33,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:42:31" (1/3) ... [2020-09-24 23:42:33,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d59cd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:42:33, skipping insertion in model container [2020-09-24 23:42:33,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:42:32" (2/3) ... [2020-09-24 23:42:33,525 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d59cd6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:42:33, skipping insertion in model container [2020-09-24 23:42:33,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:42:33" (3/3) ... [2020-09-24 23:42:33,528 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-09-24 23:42:33,542 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 23:42:33,555 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 23:42:33,580 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 23:42:33,621 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 23:42:33,621 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 23:42:33,621 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 23:42:33,622 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 23:42:33,622 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 23:42:33,622 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 23:42:33,622 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 23:42:33,622 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 23:42:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-24 23:42:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-24 23:42:33,679 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:33,681 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:33,681 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:33,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:33,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1827526995, now seen corresponding path program 1 times [2020-09-24 23:42:33,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:33,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273666744] [2020-09-24 23:42:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:34,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:34,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:34,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:35,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:37,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:39,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:39,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 197 [2020-09-24 23:42:39,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 23:42:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-24 23:42:39,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 23:42:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 78 [2020-09-24 23:42:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-09-24 23:42:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 23:42:39,624 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:40,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-09-24 23:42:40,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-09-24 23:42:40,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:40,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:40,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:40,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:40,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:40,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:40,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:40,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:40,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:40,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:42:40,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:40,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:42:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:42:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:40,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:40,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:42:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 23:42:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:42:40,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:42:40,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:40,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:40,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-24 23:42:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:40,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 23:42:40,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:40,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-09-24 23:42:40,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-24 23:42:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:40,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:40,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:40,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:40,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:40,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:42:40,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:40,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:40,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:40,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:40,377 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-24 23:42:40,380 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273666744] [2020-09-24 23:42:40,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:40,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:42:40,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840514039] [2020-09-24 23:42:40,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:42:40,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:40,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:42:40,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:42:40,416 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 9 states. [2020-09-24 23:42:41,034 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:41,856 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:42,467 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-24 23:42:44,002 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:42:44,328 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:44,754 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:45,234 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:45,572 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:42:45,896 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:42:46,890 INFO L93 Difference]: Finished difference Result 672 states and 810 transitions. [2020-09-24 23:42:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:42:46,896 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 160 [2020-09-24 23:42:46,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:42:46,933 INFO L225 Difference]: With dead ends: 672 [2020-09-24 23:42:46,933 INFO L226 Difference]: Without dead ends: 446 [2020-09-24 23:42:46,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-24 23:42:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2020-09-24 23:42:47,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 400. [2020-09-24 23:42:47,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-09-24 23:42:47,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 449 transitions. [2020-09-24 23:42:47,125 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 449 transitions. Word has length 160 [2020-09-24 23:42:47,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:42:47,128 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 449 transitions. [2020-09-24 23:42:47,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:42:47,129 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 449 transitions. [2020-09-24 23:42:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-24 23:42:47,143 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:47,143 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:47,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 23:42:47,144 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:47,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:47,144 INFO L82 PathProgramCache]: Analyzing trace with hash -640398315, now seen corresponding path program 1 times [2020-09-24 23:42:47,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:47,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [417545931] [2020-09-24 23:42:47,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:47,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:47,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:49,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:49,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-09-24 23:42:49,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:49,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2264 [2020-09-24 23:42:49,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:49,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:42:49,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 135 [2020-09-24 23:42:49,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:42:49,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:49,843 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:49,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:49,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:49,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:49,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:49,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:49,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-09-24 23:42:49,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:49,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:49,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:49,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:50,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:50,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:50,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:50,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:50,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:42:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:50,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:50,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:42:50,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:50,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:42:50,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:42:50,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:42:50,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-09-24 23:42:50,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-24 23:42:50,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:50,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:42:50,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 68 [2020-09-24 23:42:50,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-09-24 23:42:50,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:42:50,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-09-24 23:42:50,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 23:42:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 23:42:50,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:42:50,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:42:50,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-24 23:42:50,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:50,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 23:42:50,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:42:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:42:50,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 23:42:50,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:50,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:42:50,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:42:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:50,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:50,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:42:50,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-09-24 23:42:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:50,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-09-24 23:42:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:50,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:50,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:50,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:50,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:50,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:50,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:50,635 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 23:42:50,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [417545931] [2020-09-24 23:42:50,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:50,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 23:42:50,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365346408] [2020-09-24 23:42:50,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 23:42:50,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:50,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 23:42:50,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-09-24 23:42:50,644 INFO L87 Difference]: Start difference. First operand 400 states and 449 transitions. Second operand 11 states. [2020-09-24 23:42:51,412 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:52,649 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:53,022 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:53,345 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:53,679 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:54,037 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:42:54,359 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:55,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:42:55,501 INFO L93 Difference]: Finished difference Result 741 states and 871 transitions. [2020-09-24 23:42:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 23:42:55,501 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2020-09-24 23:42:55,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:42:55,509 INFO L225 Difference]: With dead ends: 741 [2020-09-24 23:42:55,509 INFO L226 Difference]: Without dead ends: 456 [2020-09-24 23:42:55,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2020-09-24 23:42:55,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-09-24 23:42:55,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 394. [2020-09-24 23:42:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-24 23:42:55,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 435 transitions. [2020-09-24 23:42:55,597 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 435 transitions. Word has length 204 [2020-09-24 23:42:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:42:55,600 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 435 transitions. [2020-09-24 23:42:55,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 23:42:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 435 transitions. [2020-09-24 23:42:55,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 23:42:55,603 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:42:55,604 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:42:55,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 23:42:55,604 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:42:55,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:42:55,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1681058721, now seen corresponding path program 1 times [2020-09-24 23:42:55,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:42:55,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1160516150] [2020-09-24 23:42:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:42:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:55,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-24 23:42:56,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 798 [2020-09-24 23:42:56,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 197 [2020-09-24 23:42:56,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:42:56,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,731 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:42:56,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:42:56,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-09-24 23:42:56,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:42:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:56,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:56,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:42:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:56,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:56,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:42:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:42:56,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:42:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:42:56,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:56,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:42:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:56,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:56,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:42:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:42:56,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 23:42:56,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:42:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:56,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:56,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:56,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:56,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:56,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:56,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:56,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:56,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 23:42:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:56,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:42:57,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:42:57,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:42:57,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-24 23:42:57,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-09-24 23:42:57,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:42:57,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:42:57,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-09-24 23:42:57,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-09-24 23:42:57,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:42:57,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:42:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:42:57,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 23:42:57,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:42:57,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 23:42:57,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 23:42:57,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:42:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:42:57,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:42:57,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 23:42:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:42:57,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:42:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:42:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:42:57,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:42:57,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-09-24 23:42:57,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:57,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 23:42:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:57,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:57,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:57,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 23:42:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:42:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:42:57,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:42:57,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:42:57,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:42:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:42:57,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:42:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:42:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:42:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:42:57,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:42:57,326 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 23:42:57,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1160516150] [2020-09-24 23:42:57,328 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:42:57,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 23:42:57,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113297819] [2020-09-24 23:42:57,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 23:42:57,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:42:57,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 23:42:57,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-09-24 23:42:57,332 INFO L87 Difference]: Start difference. First operand 394 states and 435 transitions. Second operand 9 states. [2020-09-24 23:42:58,731 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:42:59,040 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 23:42:59,366 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:42:59,703 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 23:43:00,013 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:43:01,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:01,105 INFO L93 Difference]: Finished difference Result 741 states and 871 transitions. [2020-09-24 23:43:01,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-24 23:43:01,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 213 [2020-09-24 23:43:01,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:01,111 INFO L225 Difference]: With dead ends: 741 [2020-09-24 23:43:01,111 INFO L226 Difference]: Without dead ends: 462 [2020-09-24 23:43:01,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2020-09-24 23:43:01,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2020-09-24 23:43:01,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 400. [2020-09-24 23:43:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-09-24 23:43:01,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 441 transitions. [2020-09-24 23:43:01,159 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 441 transitions. Word has length 213 [2020-09-24 23:43:01,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:01,160 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 441 transitions. [2020-09-24 23:43:01,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 23:43:01,160 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 441 transitions. [2020-09-24 23:43:01,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-24 23:43:01,164 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:01,164 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:01,164 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 23:43:01,165 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:01,165 INFO L82 PathProgramCache]: Analyzing trace with hash -474002658, now seen corresponding path program 1 times [2020-09-24 23:43:01,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:01,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292580610] [2020-09-24 23:43:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:01,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:02,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:02,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-09-24 23:43:02,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:02,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1433 [2020-09-24 23:43:02,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-09-24 23:43:02,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 23:43:02,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 115 [2020-09-24 23:43:02,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:02,987 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:02,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:03,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 226 [2020-09-24 23:43:03,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 23:43:03,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:03,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:03,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:03,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:03,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:03,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:03,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:03,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:03,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:03,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:03,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:03,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:03,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:03,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:03,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:03,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 23:43:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:03,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:03,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:03,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 23:43:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:43:03,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 23:43:03,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-09-24 23:43:03,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-09-24 23:43:03,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:43:03,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 23:43:03,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-09-24 23:43:03,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:43:03,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 23:43:03,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 23:43:03,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:03,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 23:43:03,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:03,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:03,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:03,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 23:43:03,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:03,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:03,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-24 23:43:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:03,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:03,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-24 23:43:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:03,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:03,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:03,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:03,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 23:43:03,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:03,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:03,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292580610] [2020-09-24 23:43:03,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:03,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 23:43:03,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330588941] [2020-09-24 23:43:03,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 23:43:03,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:03,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 23:43:03,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-24 23:43:03,748 INFO L87 Difference]: Start difference. First operand 400 states and 441 transitions. Second operand 7 states. [2020-09-24 23:43:04,404 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:05,291 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:07,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 23:43:07,804 INFO L93 Difference]: Finished difference Result 1027 states and 1219 transitions. [2020-09-24 23:43:07,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-24 23:43:07,804 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-24 23:43:07,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 23:43:07,814 INFO L225 Difference]: With dead ends: 1027 [2020-09-24 23:43:07,814 INFO L226 Difference]: Without dead ends: 742 [2020-09-24 23:43:07,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-24 23:43:07,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2020-09-24 23:43:07,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 673. [2020-09-24 23:43:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-24 23:43:07,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 762 transitions. [2020-09-24 23:43:07,915 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 762 transitions. Word has length 213 [2020-09-24 23:43:07,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 23:43:07,916 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 762 transitions. [2020-09-24 23:43:07,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 23:43:07,916 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 762 transitions. [2020-09-24 23:43:07,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-24 23:43:07,920 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 23:43:07,921 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 23:43:07,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 23:43:07,921 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 23:43:07,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 23:43:07,922 INFO L82 PathProgramCache]: Analyzing trace with hash -1328333390, now seen corresponding path program 1 times [2020-09-24 23:43:07,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 23:43:07,922 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416968165] [2020-09-24 23:43:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 23:43:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:08,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:08,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-09-24 23:43:13,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 23:43:13,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-09-24 23:43:13,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 23:43:13,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-09-24 23:43:13,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 168 [2020-09-24 23:43:13,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,348 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 23:43:13,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-09-24 23:43:13,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 278 [2020-09-24 23:43:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-09-24 23:43:13,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 23:43:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:13,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:13,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:13,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 23:43:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:13,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:13,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 23:43:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:13,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:13,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 23:43:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 23:43:13,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 23:43:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:13,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:13,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 23:43:13,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-24 23:43:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 23:43:13,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 23:43:13,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 23:43:13,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 23:43:13,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 23:43:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 23:43:13,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 23:43:13,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-09-24 23:43:13,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 23:43:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:13,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 23:43:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 23:43:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-09-24 23:43:13,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 23:43:13,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 23:43:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-09-24 23:43:13,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-09-24 23:43:13,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 23:43:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-09-24 23:43:13,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 23:43:13,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 23:43:13,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 23:43:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:13,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:13,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:13,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-09-24 23:43:13,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:13,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 23:43:13,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:13,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:14,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 23:43:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:14,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:14,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:14,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 23:43:14,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:14,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:43:14,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:14,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:14,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:14,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:14,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-24 23:43:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:14,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:14,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:14,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 23:43:14,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:14,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 23:43:14,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:14,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:14,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:14,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:14,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-24 23:43:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:14,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:14,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:14,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:14,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:14,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 23:43:14,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:14,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 23:43:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 23:43:14,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 23:43:14,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:14,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-24 23:43:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 23:43:14,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 23:43:14,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 23:43:14,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 23:43:14,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 23:43:14,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 23:43:14,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-24 23:43:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 23:43:14,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 23:43:14,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 23:43:14,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 23:43:14,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-24 23:43:14,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416968165] [2020-09-24 23:43:14,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 23:43:14,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-24 23:43:14,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502677110] [2020-09-24 23:43:14,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 23:43:14,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 23:43:14,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 23:43:14,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2020-09-24 23:43:14,227 INFO L87 Difference]: Start difference. First operand 673 states and 762 transitions. Second operand 13 states. [2020-09-24 23:43:14,921 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 23:43:15,707 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 23:43:16,881 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-24 23:43:17,536 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-24 23:43:17,864 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:18,186 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 23:43:18,572 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 23:43:18,899 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 191